exam Maths Puzzle Numerical Ability

PLEASE HELP SOLVE.

DETERMINE WHEATHER THE FOLLOWING IS PERPENDICULAR, PARALLEL OR NEITHER

PROBLEM # 1 : 2X+5Y=-8 AND 6+2X=5Y
PROBLEM # 2 : 3X=Y AND 2Y-6X=5

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exam Other Question
x-3/2<7-1/2x

f(x)=3(x+7)+1
a.f(x)<or equal to -5
b.f(x)>or equal to -5










for what value of x is the perimeter of the rectangle form 40 to 60 feet?
lengt How do I find the y-intercept for -x + 3y = 15?