Convert the given mixed number to a decimal 8 3/5

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.

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

When the ball has traveled a distance of