What is the image of the point (8,-6)(8,−6) after a rotation of 180 counterclockwise about the origin?

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate.in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.