Find the perimeter of the following shape, rounded to the nearest tenth Options:
A.10
B.11.3
C.12
D.14.1

The angle of elevation from point a to the top of a cliff is 38 degrees . if point a is 80 feet from the base of the cliff , how high is the cliff ?

Angles 1 and 2 are complimentary angles. angle 1 = 52 degrees. what is the measure of angle 2?

Solve the system of equations. x=-2y+1 and x+2y=9. show work