3/4 of all the girls in a certain class have cell phones. 2/5 of all the boys in that class also have cell phones. The number of girls who have cell phones is equal to the number of boys who have cell phones. In lowest terms, what fraction of the whole class have cell phones?

Acylinder with a base diameter of x units has a volume of jxcubic units which statements about the cylinder are true? check all that apply. the radius of the cylinder is 2 x units. the radius of the cylinder is 2x units. the area of the cylinder's base is 200 square units. the area of the cylinder's base is a square units. the height of the cylinder is 2x units. the height of the cylinder is 4x units. mark this and return save and exit next submit

Find the solution(s) to x^2-14+49=0

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.