Simplify: (7x2 − 8x − 4) + (−2x2 + 3x + 5) + (5x2 − 10x − 8)

10x2 + 15x − 7

10x2 + 5x − 7

10x2 − 15x − 7

10x2 − 15x − 9

Does anyone know how to do geometryme with this problem

Which of the following is the graph of y= square root -x-3

Lines f and g are cut by the transversal d. the measure of 1 = 2x + 35 and the measure of 8 = 10x - 85. what value of x will show that lines f and g are parallel? a. 19 b. 26 c. 18 d. 15