Will the border line of the graph of y < - x2 + 4x + 5 be a solid line or a broken line?

Is the point (0,0) part of the solution of y<-x2 +4x+5

Adam plans to choose a video game from the section of the store where everything is 75% off. he writes the expression d-0.75d to find the sale price of the game if the original price is d dollars. gena correctly writes another expression, 0.25d, that will also find the sale price of the game if the original price is d dollars. use the drop down menus to explain each part of adams and rena's expression

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab