What are the steps to solve this problem?

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?

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122

This summer the number of tourists in salem increased 4.5% from last years total of 426000. how many more tourists came to salem this summer