Carmen bought a graphing calculator for $40. She sold it and made an 85% profit. How much did she sell the calculator for? Show your work.

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Which system of linear inequalities is represented by the graph? x-3y > 6 and y? 2x + 4 x + 3y > 6 and y? 2x - 4 x - 3y > 6 and y? 2 - 4 x + 3y > 6 and y > 2x + 4 no be 2 -1.1 1 2 3 4 5 submit save and exit next mark this and retum be

Thee blue triangle has rotated from quadrant i to quadrant iii about the origin. describe the effects of the rotation on the coordinates of the blue triangle.