Identifying Geometric Figures: Which geometric figures are drawn on the diagram?

Which of the following parabolas opens down?

George is putting trim around his rectangular deck, including the gate. he will need 44 feet of trim to do the entire deck. if the deck is 13 feet long, how wide is the deck?

Aband wants to create a cd of their last concert. to creat the cds, the cost will be $350 advertisement fee plus $3 per cd. write an inequality that represents how many cds they can buy with a maximum of $1225.solve the inequality