Find the perimeter of a regular octagon with a side length of 20
options:
120
140
160
180

If you could answer these your a life saver

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2

In a fruit survey, 300 children choose their favorite fruit out of apples, bananas, and watermelon. 150 chose apples and 90 chose bananas. what percent chose watermelon?