Answer:Find the area of square and then circle then take them away
Step-by-step explanation:
Answer:
What expression?
Step-by-step explanation:
9(2w−y)=21w−9y
First you multiply the numbers in the parenthesis by 9

subtract. 21w-18w=3w

add. -9y+9y=0

divide.

Final answer is 0.
Answer:
-4n
Step-by-step explanation:
M / k = x.....multiply both sides by k. eliminating the k on the left side
m = xk <==