5x+9z-x
5x-x+9z
4x+9z
Equivalent expression is asking for you to simplify by adding like terms and eliminatino parenthesis. Use the PEMDAS.
9= h/9
Mutiply both sides by 9
9*9= h/9*9
Cross out 9 and 9 , divide by 9 and then becomes h
9*9= 81
Answer: h= 81
I think the answer is $2.01 per 1ft of redwood and pine
282/2
=141
$141/70ft ÷ 70/70
=$20.1 per 1ft
Question A: 14
Question B: 30min
Answer:
2/8 because each 1/4 0f the 8 slices is equal to 2/8 by multipliction or you can say 1/4 of 8