Write three ratios that are equivalent to the one given: The Raito of right-handed students to left handed students is 18:4

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers