Jessica is a custodian at Oracle Arena. She waxes 20 m220 \text{ m}^220 m​2​​20, space, m, start superscript, 2, end superscript of the floor in 35\dfrac35​5​​3​​start fraction, 3, divided by, 5, end fraction of an hour. At this rate, how many square meters can she wax per hour?


Answer 1
Answer: Given that she waxes of the floor in . Thus in one hour she will wax

Answer 2



Step-by-step explanation:

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What is the difference between when a function is positive and when it is negative?


When thinking about reinforcement, always remember that the end result is to try to increase the behavior, whereas punishment procedures are used to decrease behavior. For positive reinforcement, try to think of it as adding something positive in order to increase a response.

Following the Baltimore Running in 2009, volunteers collected and recycled 3.75 tons of trash. Graph 3.75 on a number line and write the weight as a mixed number


3 3/4 is the answer i think


Step-by-step explanation:

3 3/4 is the answer


How many dwarf planets are believed to be in the Kuiper belt? a) 1 (pluto)
b) 5
c) 100
d) 200


Answer: I don't see the choice here, but only 3 dwarf planets are officially recognized as dwarf planets in the Kuiper Belt: Pluto, Haumea, and Makemake. But, there are two more, Ceres and Eris, that are also named, but aren't widely known about.

I believe you could choose 5 (b) for this one.

Best of luck. :)

EDIT: The user took the quiz and the answer was somehow 200.


since my uncles farmyard appears to be overrun with dogs and chickens. i asked him how many of each he had. he responded that his dogs and chickens had a total of 148 legs and 60 heads. how many dogs and chickens are there on my uncles farm?


Assuming that all the animals are dogs, the number of legs there are would be 240.
60*4=240 legs
240-148=92 legs
All the 92 legs belong to the chickens, so there are 46 chickens.
Since there are 46 chickens,
60-46=14 dogs

Mr. Curtis built a toolbox for each of his four sons. He as $50 to spend to equip each box. He plans to purchase up to 5 items for each box, and all four boxes must have the same tools.



Curtis needs to determine the relative densities of four different liquids. He measures the volume of each liquid using a graduated cylinder, and measures the mass of each liquid using a balance. Then he records the measurements in the table below.  

Mass (grams)

Volume (ml)

Liquid A



Liquid B



Liquid C



Liquid D



so it has to be liquid B

Step-by-step explanation:


Lauren is shopping and finds 6 bracelets, 2 pairs of earrings, and 3 necklaces that she likes. How many ways can Lauren select 4 pieces of jewelry to buy?


There are 330 ways can Lauren select 4 pieces of jewelry to buy.

What is an expression?

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

Lauren is shopping and finds 6 bracelets, 2 pairs of earrings, and 3 necklaces that she likes.

Now, We have;

Total number of jewelry = 6 + 2 + 3 = 11

Hence, Number of ways can Lauren select 4 pieces of jewelry to buy is,

⇒ ¹¹C₄

⇒ 330

Thus, There are 330 ways can Lauren select 4 pieces of jewelry to buy.

Learn more about the mathematical expression visit:


Because it does not specify that she has to choose one or two from each category all pieces of jewelry can be treated as choices in a combination set.

the formula for a combination is

where n is a total number of choices ( 11 ) 
and r is number chosen out of those choices (4)

C(11,4)= \frac{11!}{4!(11-4)!} 

She has 330 possible choices  to come home with 4 pieces of jewelry


Which of the following statements is not correct? Every rectangle is a parallelogram.

Every square is a parallelogram.

Every rhombus is a parallelogram.

Every parallelogram is a rectangle.


That the last one
A parallelogram is not always a rectangle

sam makes some bread rolls. He gives 2/5 of the bread rolls to his neighbor and 4/9 of the remainder to his cousin. He has fifteen bread rolls left. How many bread rolls does Sam make


 Neighbor: 2/5(x) 
Remainder = x - 2/5(x) = 3/5(x) 
Cousin = 4/9 * 3/5(x) = 4/15(x) 

x - 2/5(x) - 4/15(x) = 15 
x - 6/15(x) - 4/15(x) = 15 
x - 10/15(x) = 15 
(15x - 10x) = 225 
5x = 225 
x = 225/5 = 45 

Therefore, he made 45 rolls

A snack bar sells two sizes of snack packs. A large snack pack is $5, and a small snack pack is $3. In one day, the snack bar sold 60 snack packs for a total of $220. how many small snack packs did the snack bar sell?


Total number of snacks = 60

Total earnings = $220

Assumed all that are sold are small snacks = 60 x 3 = $180

The difference in earnings = 220 - 180 = $40

The difference in snack price = $5 - $3 = $2

Number of Large snacks = $40 ÷ 2 = 20

Number of small snacks = 60 - 20 = 40

Answer: 20 large snacks and 40 small snacks
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