1. The area of a washer is given by the formula below where ris the inner
radius and R is the outer radius.
Rearrange this formula to make the
Subject. ro
A=n(R2 - r2)

b) well because you get well

6 spoons of sugar for every 21 cups of flour

step-by-step explanation:

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.