Need help with this Advanced functions question please picture attached.

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

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.