Andy buys a computer that costs $575. The sales tax is 5%. Describe a method he could use to estimate the sales tax. Will the estimated tax be greater than or less than the actual tax?

4/5 of the books in a library of fiction books. What percentage of the books or fiction books?

Is / frac{6}{12} proportional to / frac{8}{10}

Multiply the polynomials. (7x2 + 5x + 7) (4x - 6)

In fraction form what number goes above 14 to equal seven

F (x+h) - f (x) / h f (x) = 2x 2 + 7x

Can 194/100 be simplified yes it can be simplified or no it cant be simplified

A=1/2h (B+b); A=68, B=8, b=9

20 hours put into degrees?

Bert skies for 1 3/4 hours Friday night, 5 1/3 hours Saturday, and 3 1/6 hours Sunday afternoon. How many hours did he spend skiing that weekend?

Erin loves to play sports! She has earned 3 tennis trophies, 4 basketball trophies, 7 soccer trophies, and 1 volleyball trophy. What is the ratio of Erin's tennis trophies to soccer trophies?