For concreatting a tower cement, sand, stones are in the ratio 1:2:4 For 144kg sand.. What amount of cement is required?

Abag of jelly beans contain 13 pink, green, 20 yellow, 10 black, 7 red, and 11 orange jelly beans. approximately what percent of the jelly beans are pink and yellow?

What is x3+3x2−16x−48 divided by x−1?

M.xyz =radians. covert this radian measure to its equivalent measure in degrees.