Mary estimated that it would take 3 hours to write a book report, but it actually took her 5 hours. What is the percent error for her estimate? (Hint: subtract and then divide by actual number)

Which of these is the algebraic expression for the verbal expression "five times the difference of a number and six

Express the ratio 14 inches to 3 feet as a fraction in simplest form

What is the percent?

Simplify 12 over 18 devided by 12 over 4?

What is 1,700,000 multiplied by 1 tenth?

Emily just hired a new employee to work in your bakeshop. In one hour the employee burned 650 chocolate chip cookies. If this represented 13% of the day's production, how many cookies did you plan on producing that day?

The quantity 4 minus x, divided by 3

Find the mean and median of the data. 8 1/2, 6 5/8, 3 1/8, 5 3/4, 6 5/8, 5 1/4,10 5/8, 4 1/2

Write 32/40 in simplest form

If U = 6 feet, V = 7 feet, W = 3 feet, X = 6 feet, Y = 12 feet, and Z = 3 feet, what is the area of the object?