Which graph represents the solution to the given system?

Question

-2x + 5y = -10 and -3x + 5y = -20

Answer 1

Don't know, but it's a single point. See

http://www.wolframalpha.com/input/?i=solve+-2x+%2B+5y+%3D+-10+,+-3x+%2B+5y+%3D+-20

Answer 2

How would you Describe the graphs of 2x+5y<15 and 3x-y≥ 8?

Answer 3

its A

Answer 4

2x-5y=10