Use substitution to solve for x in the system of equations.

10x + 2y = 30
4x + y = 4

a. x = -11

b. x = 11

c. x = 13

d. x = 15

With number 11 ( show how you got the answer)

Which lines are parallel? justify your answer. lines p and q are parallel because same side interior angles are congruent. lines p and q are parallel because alternate exterior angles are congruent lines l and m are parallel because same side interior angles are supplementary lines l and m are parallel because alternate interior angles are supplementary.

Find the sixth term of the following geometric sequence.