Find the volume of the cone round your answer to the nearest tenth

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

The angles below are supplementary. what is the value of x? a pair of supplementary angles is shown. one angle measures 7x + 33, and the other angle measures 70. 5.3 8.14 11 14.7

This figure consists of a rectangle and semicircle. what is the perimeter of this figure use 3.14 for pi 60.84m 72.84m 79.68m 98.52m