Help please !!
I need help to find measure angle H, A, W, and K .

Acable car begins its trip by moving up a hill. as it moves up, it gains elevation at a constant rate of 50 feet/minute until it reaches the peak at 2,000 feet. then, as the car moves down to the hill’s base, its elevation drops at the same rate.

Which of the following is true for the relation f(x)=2x^2+1

Acircle has a circumference of 28.36 units what is the diameter of the circle