exam Maths Puzzle Numerical Ability

sketchthe feasible region(in Quadrant 1 only) for the following system of linear inequalities. show all work

x - 5y < 0
8x - 15y < 40
3x + 4y < 92
-4x + 9y < 78
x > 0 and y > 0

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exam Other Question

If a videotape cannot be recorded on for the first 1 1/3 feet, and there is a 180 foot video tape, how much can be recorded on by solving the equation: 180= t + 1 1/3 for t. Factor completely:
x to 2nd power + 8x - 20