Step-by-step explanation:
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There are 21 people on each team. First you can divide 252 and 12. You get 21. To check you can then multiply 12 and 21 and get 252
Rooms are 3 dimentional
they have volume
area times height=volume
if dimentions are the same, that means that the legnth, width, height are same, so therefor they have same area (Judy is correct)
if area area same, then the height could be different, so Mrs. Ferguson is wrong
Judy is correct and Mrs. Ferguson is wrong
Look at the picture.
The point-slope form of a line:

We have the points (0, 1) and (2, 0). Substitute:

Answer: 
Answer: 
Step-by-step explanation:
For this exercise is necessary to remember the following formula:

Where "V" is the speed, "d" is the distance and "t" is the time.
In this case you must solve for the time, then:

Based on the information provided in the exercise, you can identify that:

Therefore, knowing this, you can make the substitution into the formula
.
Through this procedure you get that the equation that can be used to find the amount of hours "h" that it will take Sandra to drive "m" miles at her constant speed, is:
