(6 points) Prove that if P is the perimeter of a Pythagorean Triangle with integral sides a , b and c , then P divides ab . (Hint: Use the formula on the bottom of page 74 for the description of Pythagorean triples) (b) (4 points) Prove that if a Pythagorean Triangle has even sides, then its perimeter, P , divides its area, A .

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? \ 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x

15 points what is the end behavior of this graph? & what is the asymptote of this graph?

20 ! jason orders a data set from least to greatest. complete the sentence by selecting the correct word from each drop-down menu. the middle value of the data set is a measure and is called the part a: center b: spread part b: mean a: mean absolute deviation b: median c: range