List the elements of all the subsets of the following sets.
(a) E = (2, 4)​
(b) F= (e, f,g)

Select the correct answer from each drop-down menu. the length of a rectangle is 5 inches more than its width. the area of the rectangle is 50 square inches. the quadratic equation that represents this situation is the length of the rectangle is inches.

What is the product? a-3/15a × 5/a-3

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.