the sum of 2 nonnegative numbers is 20. Find the numbers if one of the number plus the square root of the other is as large as possible

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.