I need help. PQRS is an isosceles trapezoid. Enter coordinates for point R.

Ineed to know the answer to this algebra question.

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?

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?