A2-mi cab ride costs $4.25. a 7-mi cab ride costs $8.50. which equation models the cost y of a cab ride that is x miles?

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?

Find two numbers if their sum is 91 and the ratio is 6: 7?

Find the missing factor. write your answer inexponential form.9^2=9^4×