Evaluate the integral. (Remember to use absolute values where appropriate. Use C for the constant of integration.) cos(x) + sin(2x) sin(x) dx

For physics class, Jada wants to know how the surface of different ramps affects the maximum speed of a marble being rolled down the ramp. To study this, she compares the maximum speed of a marble rolled down ramps with different surfaces. She rolls the same marble down each type of ramp 10 times. What type of study is this

A third of number y equals half of 100. nimbery =

Help me solve please