Answer:
8) 25.12
9) 15.07
10) 48.98
11) 1962.5
12) 20
13) r = 8.5
14) diameter: 72 radius: 36
Step-by-step explanation:
r = 4 in
Answer: $638.00
a=4
3a=12
a=12/3
a=4 is the solution
looking for anwser now
13 1/8
3/8-(-51/4)
Subtracting a negative is like adding
3/8 + 51/4
get a common denominator
3/8+ 51/4 *2/2
3/8 + 102/8
105/8
8 goes into 105 13 times with 1 left over
