exam Maths Puzzle Numerical Ability

when you are dividing a negative and a positve is the quitent a negetive or a positive

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exam Other Question

for graphing.....2x-7y=8 and 3x-4y=-1 Your boat will go 15 miles per hour in still water. If you can go 12 miles downstream in the same amount of time it takes to go 9 miles upstream, then what is the speed of the current?