On three 150-point geography tests, you earned grades of 88%, 94%, and 90%. the final test is worth 250 points. what percent do you need on the final to earn 93% of the total points on all tests?

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet

Which angle is the smallest? also give me an explanation so i can complete it to other questions as well, : )