Question

In the coordinate plane, three vertices of rectangle PQRS are P(0, 0), Q(0, b), and S(c, 0). What are the coordinates of point R?

(2b, 2c)
(b, c)
(2c, 2b)
(c, b)

Answer 1

If m = 7x + 7, m = 5y, and m = 140, find the values of x and y.