Suppose y varies directly with x. write a direct variation equation that relates x and y, y=25 when x=140 what is the value of x when y=36 a) 140 b)165 c)201.6 d)176

Bring the fraction a/a-4 to a denominator of 16-a^2

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?

Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?