exam Maths Puzzle Numerical Ability

please helo graph this equation
y = x^2 - 5

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exam Other Question

Suppose you see the two summer jobs advertised at the right. Let x= the amount of sales and y= money earned in a week.

cellular phone sales: y=150+0.2x
stereo sales: y=200+0 Calculate the length of the third side of each triangle. Round to one decimal place. The height equals 7 meters and the length equals 12 meters.