Evaluate the expression. Express your answer in exact simplest form. 10C7 multiply 4C3

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

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

The radius of a sphere is 3 inches. which represents the volume of the sphere?