284=4(8x-7) solve the practice equation

Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

On saturday a souvenir shop had 125 customers.sixty four percent of the costumers paid with a credit card. how many costumers paid with cash?

F(x)=x^3+4 question 6 options: the parent function is shifted up 4 units the parent function is shifted down 4 units the parent function is shifted left 4 units the parent function is shifted right 4 units