Which one of these is a unit rate? Select all that are unit rates a) 3.25 fouls per player
b) 27.2 students per class
c) One teacher per 36 students
d) 45 oranges per five bags

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.

Find the value of x in the diagram below. select the best answer from the choices provided