Jack paid $120 to have his bus fixed at an auto-repair shop. The parts of the bus cost $72, and service was charged at $12
an hour. How many hours was the bus worked on?

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.

Proving the parallelogram diagonal theoremgiven abcd is a parralelogam, diagnals ac and bd intersect at eprove ae is conruent to ce and be is congruent to de

Find the average rate of change for the given function drom x=1 to x=2