What is true of the equation y = 2x^2- 5? A-Its graph opens upward.
B-The vertex of the graph is at the origin.
C-Its graph opens downward.
D-Its graph is wider than y = x^2

Which statement accurately explains whether a reflection over the y-axis and a 270° counterclockwise rotation would map figure acb onto itself? a coordinate plane with figure acb with point a at 1, 1, c at 3, 4 and b at 5, 1 yes, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) yes, a″c″b′ is located at a″(1, 1), c″(3, 4), and b″(5, 1) no, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) no, a″c″b″ is located at a″(1, 1), c″(3, 4), and b″(5, 1)

Can someone me out here number 4 plz

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?