Write an equation that represents the relationship shown in the table.

There is a one-time fee of $27 to join a gym. The monthly cost of using the gym is $18. Write an equation for the relationship that gives the total cost y in dollars of joining the gym and using it for x months.

Mindy wants to buy several books that each cost $10. She has a coupon for $6 off her total cost. Write an expression to represent her total cost in dollars for b books.

When a coupon of $1.25 off is used, the cost of a taco meal is $4.85. The equation p – 1.25 = 4.85 can be used to find the regular price p in dollars of a taco meal. How much does a regular taco meal cost?

Which of the following are solutions to the inequality \(\text{n} \gt ^{-}7\)?

\(\text{n} = ^{-}7\)     \(\text{n} = ^{-}6.9\)     \(\text{n} = ^{-}7.2\)     \(\text{n} = ^{-}6\cfrac{1}{2}\)

Marcus sold brownies at a bake sale. He sold d dollars worth of brownies. He spent $5.50 on materials, so his total profit p in dollars can be found by subtracting $5.50 from his earnings. Write an equation that represents this situation.