Which of the following systems has no solution? A. 2x - 4y = 8
-2x + 4y = -8
B. 2x - 4y = 6
-3x - y = 9
C. 2x + 4y = 8
-3x - y = -9
D. 3x - 6y = 9
3y - 6x = 9

Which graph represents 2x-5y< 15

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )

Maren is buying carpet for her rectangular living room. the room is 4.8 yards wide and 5.2 yards long. how much carpet does she need to buy? enter your answer as a decimal in the box. yd2