What is 4(r-9s) +6(r+2s) simplified

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.

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)

Which equation can be solved to find x the measure of jk in the apex