What is the percent of change in the cost of a hot dog

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9

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.