Which expression is equivalent to 9x  – (x  – 8)(x  + 1) + 10x?

Asmall car averages up to 29 more miles per gallon of gas that an suv. if a small car averages 44 miles per gallon, what is the average miles per gallon for an suv?

Secant ac and bd intersect at point e inside f what is the measure of aed if measurements cd equals 30 a b is 50 and cb is 170

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3