Which pair of lines
are parallel?
A) x - 5y = 10; y = 5x – 2
B) x + y = 0; y = x + 7
C) 2x - 3y = 9; 4y = 6x - 20
D 4x - 8y = 8; y = 2x + 2
E) 9x – 3y = 12; y = 3x - 10
At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase