1. A used book store also started selling used CDs and videos. In the first week, the store sold a combination of 40 CDs and videos. They charged $4 per CD and S6 per video and the total sales were $180. Determine the total number of CDs and videos sold.
he total number of CDs and videos sold.

(a) the volume of the cone is 20/3 in3

hence, option a is correct.

step-by-step explanation:

at each of the parallel lines adjacent angles are supplementary. the angles have special names identifying their positions with respect to the parallel lines and transversal. they are corresponding angles, alternate interior angles, or alternate exterior angles. an angles is congruent to its matched angle.

49/6 is going to equal 8 1/6