- Math help please, pic?

Discover Questions

Calculate the mass percent of a solution that is prepared by adding 68.0 g of NaOH to 204 g of H2O. Express your answer numerically.? A man of height 1.3 meters walk away from a 5-meter lamppost at 1.2 m/s. Find the rate at which his shadow is increasing in length? A 20 ft ladder leans against a wall. The bottom of the ladder is 4 ft from the wall at time t=0 and slides away from the wall at a rate of? Find the area of the region enclosed by one loop of the curve.
r = sin(12θ).. please help!? What color is used to simulate human skin?