Answer:
31
Step-by-step explanation:
210 ft ÷ 7 ft = 30
There are 30 7-ft lengths of fence.
Think of putting a post at the end of each 7-ft length. That means you need 30 posts. Now you must add 1 post for the beginning.
Answer: 31
Answer:
sphere a: 33.51 and sphere b: 268.08
Step-by-step explanation:
math
Answer:
Input - Output
2 - $290
12 - $690
24 - $1170
Step-by-step explanation:
Cost after n months:
The cost after n months is given by the following function:

After 2 months:
This is C(2). So

After 12 months:
This is C(12). So

After 24 months:
This is C(24). So

Table:
Input - Output
2 - $290
12 - $690
24 - $1170
This means a has a value of 24.