7x +9y for x=-3 and y=2

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

Diane owes $387 to her brother. if she debits her bank account $161.25 a month to pay him back, how many months will it take her to pay off the debt?

Which graph represents the solution set for the given system of inequalities? x+2y< 3 x+y> 4 3x-2y> 4