<span>This is multiple questions, so next time, include more points if you want answers. Also, I would appreciate a brainliest.
D) 180 miles, 6 gallons; by multiplying the numerator and denominator of the unit rate by 6.
</span><span>A) $42.50,1 hour
</span><span>C) 4 chairs per minute</span>
Answer:
7c-2
Step-by-step explanation:
7 times a number c tells us that we want to multiply c by seven. 2 less than tells us that we want to subtract 2 from 7c.
Answer:

Step-by-step explanation:
Rewrite 32 as the product of 16 and 2:

Apply exponent rule 

Rewrite 16 as 4²:

Apply exponent rule 

Substitute a number for each variable
Ex.
2x x=5
(2)(5)
=10