The shape for this net is the last one
Answer:
h=A-2πr2/2πr
Step-by-step explanation:
12 use a calculator i did it
Answer:
b =-2
Step-by-step explanation:
-3b+7=13
Subtract 7 from each side
-3b+7-7=13-7
-3b = 6
Divide each side by -3
-3b/-3 = 6/-3
b = -2