how does the value of a in function affect its graph when compared to the graph of the quadratic function h(x)=0.8x2

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

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length

Solve the formula ax+ by = c for x.