What's the answer for this question

Neal buys a board game. he pays for the board game and pays $1.54 in sales tax. the sales tax rate is 5.5%. what is the original price of the board game, before tax

Simplify: -2x 3 (-4) x 6 x (-5) x (-3) x 9

Suppose that triangle a shown on the grid is translated 3 units to the right and 2 units up to create a triangle a', what is the slope of the hypotenuse of triangle a'?