Answer:
200.96
Step-by-step explanation:
A = πr²
A = 3.14 x 8²
A = 3.14 x 64
A = 200.96
We first need to pick the correct piece to use. In this case, we will use f(x) = -x-5 because -5<=-4.
Then, we use direct substitution:
f(-4) = -(-4) - 5
f(-4) = -1
Answer:
$0.18 per pencil.
Step-by-step explanation:
"Dollars per unit" means that you take the dollar amount and divide it by the amount of pencils, so you get 3.24/18, or .18.
0.08 if 4 divided by 50
12.5 if 50 divided by 4
Answer:
-9
Step-by-step explanation:
= 
