I'm working on my math homework, which is due at 12 AM, and I can't figure out how to solve this question. Any help will do. I know how to write a flow chart and all, but I'm not sure where to go with it.

Giuseppi's pizza had orders for $931.00 of pizzas. the prices were $21 for a large pizza, 514 for a medium pizza, and $7 for a small pizza. the number of large pizzas was two less than four times the number of medium pizzas. thenumber of small pizzas was three more than three times the number of medium pizzas. how many of each size of pizza were ordered?

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0

Find the axis symmetry of x y=4x-6x+3