When Debbie baby-sits, she charges $5 to go to the house plus $8 for every hour she is there. The expression 5 + 8h gives the amount in dollars she charges. How much will she charge to baby-sit for 5 hours?

The formula to find the cost C in dollars of a square sheet of glass is \(\text{C} = 25\text{s}^{2}\) where s represents the length of a side in feet. How much will Ricardo pay for a square sheet of glass that is 3 feet on each side?

Evaluate using the order of operations.

\(\cfrac{3}{4} + \cfrac{5}{6}\div\cfrac{2}{3}\)

Patricia scored 80% on a math test. She missed 4 problems. How many problems were on the test?

What is the value of \(7^{3}\)?

James and his friends ordered b hamburgers that cost $4 each and f fruit cups that cost $3 each. Write an algebraic expression for the total cost in dollars of their purchases.