Let y be the difference of two numbers such that one number varies directly as x while the other number varies inversely as x. if y = -7 when x = -2, and y = 5 when x = 1. express y in terms of x.

Which of the following statements is not true? a.parallel lines are lines in the same plane that never intersect. b.congruent figures have the same shape and same size angles and sides. c.similar figures must have the same shape and the same size. d.a rotation is when you turn a figure around a certain point.

The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73