From the equation, find the axis of symmetry of the parabola. y = negative 3 x squared + 3 x minus 13

Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.

Two numbers have a sum of -19. one number is x. what expression represents the other number?

Which choice has the correct steps in graphing the solution set to the following inequality? -45_> 20x-5y