The square root of a number is between 8 and 9. which of the following could be the value of that number? is it 8.6, 74, 80, or 81.5?

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

Extra points! find the missing dimension! need asap

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.