The sum of 7 and 5 times a number is 48. What are the 2 numbers

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

Suppose a gym membership has an initial enrollment fee of $75 and then a fee of $29 a month. which equation models the cost, c, of the gym membership for m months?