Edward has $400 more than Robert. After Edward spends $60 on groceries, he has 3 times more money than Robert. How much money does Robert have? Can someone please explain this? ASAP

Which statement best describes a square? a. a special rectangle that has four right angles b. a special trapezoid that has four sides of equal length c. a special rectangle that has four sides of equal length d. a special trapezoid that has four right angles

What value of x is in the solution set of 4x – 12 s 16 + 8x?

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.