Will give brainiest what is the a-value of the function, then determine if the graph opening up or down f(x)=−5(x+7)2+6? question 4 options: a = -5, opens down a = -5, opens up a = 7, opens up a = 7, opens down

Which ahows the graph of the solution set of 6x+4y< 12

Angela is buying a dress that is on sale for 20% off. if the original price of the dress is $40.00, how much money is angela saving on the dress? a. $0.80 b. $3.20 c. $32.00 d. $8.00

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?