exam Maths Puzzle Numerical Ability

solve graphically

y=-x-1
4x-3y=24

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exam Other Question

A rectangular photograph is mounted on a frame that is one inch wide. If the photograph is twice as long as it is wide , anad the area of the phot and the fram together is 60 inches squared, what are the dimensions of the photo Estimate the length of a side, s, of a cube with volume, V of 9cm^3 (where V=s^3 ).