Find the area of a rectangle if the length is 15 and the width is 13.

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4