Use substitution to solve each system.

2y - 8 = 6x
y = 3x + 2

Lines p and q intersect. find the value of b. show your work. cite any theorems you use.

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.