Answer:
Step-by-step explanation:
A variable
There are 20 groups of fish
6.50-2.25=x
x is how much Jackson's lunch was
Answer: 
Step-by-step explanation:
Given
Height of cylindrical cake is 
slice is removed
Volume of the slice is 
Area of slice is

Volume of slice will be multiplication of area and height

Hence, the radius of the cake is 
It is equivalent because of the distributive property. If you multiply 4 by x and y, you get 4x and 4y.
4x + 4y = 4x + 4y