en una clase de 90 alumnos , 15 son nacidos en estados unidos . que porcentaje son nacidos en estados unidos?

George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2