Ok I know how to solve for slope but every time I put in any fraction it says its wrong and it has to be in the form of a fraction and it has to be a negative number but ive tried hundreds of different fractions and it keep saying its wrong please help

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

Simply 8x squared + 5(7x squared- x) - 2x =

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)