What is the order pair for 5x-y=4

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.

Mr. t has been dating his girlfriend for one year nine months and six days how many hours has mr. t been in a relationship

32a³b² 8ab² simplify the following expression.