A book sold 32,300 copies in its first month of release. Suppose this represents 8.8% of the number of copies sold today. How many copies have been sold to date?

Find the sum of the following series. round to the nearest hundredth if necessary.

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.

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?