Multiply r by the product of q and s (do not simplify any part of the expression)

Sketch one cycle if the cosine function y=2cos2theta

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas

What is 74 round to the nearest ten