The slope of MN¯¯¯¯¯¯¯ is −3. Which segments are parallel to MN¯¯¯¯¯¯¯?

Select each correct answer.

PQ¯¯¯¯¯, where P is at (5, 6) and Q is at (8, 7)
RS¯¯¯¯¯, where R is at (1, 3) and S is at (4, 2)
WX¯¯¯¯¯¯, where W is at (2, 6) and X is at (4, 0)
TU¯¯¯¯¯, where T is at (8, 1) and U is at (5, 10)

If 7x=9y, y/z = 7/5 , then x/z = (a) 2/7 (b) 7/9 (c) 9/5 (d) 9/7 (e) 5/9

How much money does ron have left each month after his fixed expenses? ron graduated from college five years ago. he recently bought a house, but shares it with a housemate who pays him $800 a month for rent and utilities. ron is putting a budget worksheet together so he will have a better idea of where his money is going and where he can save. enlarge

If the function m(x) has the point (5,2) on its graph name a point that would be on the funtion m(5x)