1. melissa bought a new car with 12 optional features to the car. each optional feature costs either $23.99 or $120.84. if she paid $675.28 for all the optional features, how many of each type did she buy?

What is the sum of these mixed numbers 2 1/8 + 4 3/8

One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?