A.) simplify the following expression: (9x2+2x−5)+(6x2−5x+4)(9x2+2x-5)+(6x 2-5x+4) b.) explain how you know your answer is correct.

You are assembling pieces of an iron gate to complete a fence. the finished gate will look like the one below. in order to assemble the gate it is important to under how the pieces are related. part 1: how are pies 1 and 2 in the archway related? part 2: how are the rectangular sections 5 and 6 in the center of the gate related to each other?

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.