Answer:
29 or D
Step-by-step explanation:
You square both sides to get
7 + y = 36
You then subtract 7 from both sides to get
y = 36 - 7
y = 29
Answer: m = 3/4
circumference is 81.68
area is 530.93
C=2πr=2·π·13≈81.68141
A=πr2=π·132≈530.92916
Amy would have 128 pieces