Answer:
If 22 is an option, go with it. I am pretty certain it is correct.
Step-by-step explanation:
Find pie for both circles
13 x pie = 40.8
6 x pie = 18.8
40.8 - 18.8 = 22
Answer:
he would pay $4.50 for it.
Step-by-step explanation:
all you do is take the $30 and times that by 15% and you get $4.50.
Answer:
$42.80
Step-by-step explanation:
We can set up an equation to solve this as such

Answer:
Length of other board
metres
Step-by-step explanation:
Given: Length of board =
metres
Length of board was divided into two.
Length of one piece =
metres
Let
= length of the other board
Length of the other board = Length of board - Length of one piece
So, 

Thus, length of the other board
metres
Answer:
Me and my massive brain, among other massive things of mine, believe it to be -1
Step-by-step explanation: