Answer:
I think -7; +1
(sorry if I write this but the answer must be at least 20 characters long)
Answer:
Yes, he will have enough 3 over 8 ft pieces for his class.
Step-by-step explanation:
Given:
Number of wood required = 22
Length of each wood, 
Total length of the board, 
Therefore, the number of woods that can be made using the given board is given as:

So, he can make 24 woods of length
using the 9 ft board. But he has to make only 22 pieces.
Therefore, he has enough of the wood to make the required number of pieces.
Answer: D = x'10 − 10x'8 + 40x'6 − 80x'4 + 80x'2 − 32
Step-by-step explanation:
Answer:
$6125
Step-by-step explanation:
5000 x 3 x .075 = 1,125
5000 + 1125 = 6125
8, because it's the has the greatest difference from the number average.