Answer:
188.496
Step-by-step explanation:
A=2πrh+2πr^2=
A=2·π·3·7+2·π·3^2
A= 188.49556
Rounded up because 4th decimal is a 5.
A= 188.496
The answer is A because 25 percent is equivalent to .25
I will assume that by "Evaluate 8(7x--3) when x=9" you meant:
"Evaluate 8(7x-3) when x=9."
First, substitute 9 for x in 7x-3: 7(9)-3 = 60. Rewrite the problem as:
8(60). Multiply. Answer: 480
Not enough information to actually do the problem, please provide more.