F(x)=x²-6x+17 [find(x+h)-f(x)]/h[find (x+h) -f(x)]/h

For the equations below which statement is true ?

X+ y = 5 ; x - y =3 solve using linear combination

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total