exam Maths Puzzle Numerical Ability

for each pair of equations, determine if the lines are parallel, perpendicular, or neither.

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

I have no idea how to start. Thank you.

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exam Other Question
Evaluate. 2 x 2to the third power Hi. Can I have some help with this problem?

Indicate which points are on the graph of the equation. (Select all that apply.)
y = -2x + 3

(0, 3)
(-1/2, 4)
(-1/2, -2)
(