Least common denominator for 1/2 & 2/9

Adriveway is 60-feet long by 6-feet wide. the length and width of the driveway will each be increased by the same number of feet. the following expression represents the perimeter of the larger driveway: (x + 60) + (x + 6) + (x + 60) + (x + 6) which expression is equivalent to the expression for the perimeter of the larger driveway? a) 2(x + 66) b) 4x + 33 c) 4(x + 33) d) 4(x + 132)

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

Ithink i know it but i want to be sure so can you me out ?