Answer:
88.6
Step-by-step explanation:
A=4(pi)r^2/3
D=9.2 : r=4.6
A=4(3.14)(4.6^2)/3=88.5898667


Using pi at 3.14 the answer is 1,017.36
Answer:
The vertex is (-4, -52), and it represents the minimum for the function.
Step-by-step explanation:
Answer:
a = 4
Step-by-step explanation:
a+8 = 12
a= 12-8
a=4