Help me with this. Point E represents the center of Rectangle ABCD shown on the coordinate grid below.

What is the distance between Point D and Point E?
A 15 units
B 10.5 units
C 9 units
D 7.5 units

Tell whatever the ordered pair is a solution of the given system.

F(x)= 1/x-4, g(x)=4x+1/x a. use composition to prove whether or not the functions are inverses of each other. b. express the domain of the compositions using interval notation.

Select the correct answer from the drop-down menu. subtracting 3xy^2 from 8xy^2 gives the same result as the expression. [tex]3xy ^{2} - 8xy ^{2} [/tex][tex] { - 7xy}^{2} - {2xy}^{2} [/tex][tex] {7xy}^{2} - {2xy}^{2} [/tex]