∠A and \angle B∠B are vertical angles. If m\angle A=(2x-10)^{\circ}∠A=(2x−10) ∘
and m\angle B=(x+8)^{\circ}∠B=(x+8)
∘
, then find the measure of \angle A∠A.

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

The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)

Is the power produced directly proportional to the wind speed, give reasons for your answer?