exam Maths Puzzle Numerical Ability

What is the solution to the system of equations

x+3y=12
4x-y=-17

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exam Other Question

The time to drive from Gotham City to Farmville varies inversely with the average speed. If the drive takes 6.8 hours at 40 mph, then how long will it take at 61 mph? Round to the nearest tenth of an hour. If csc theta=-5/4 and theta is in quadrant 3,then cos theta=