exam Maths Puzzle Numerical Ability

A real estate agency wishes to double the size of its ad area in a telephone
directory by adding the same amount of length and width of the current ad.
The current ad is 4 cm wide by 6 cm long. What will be the dimensions of the new
ad.

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exam Other Question
Solve the following linear equations involving 1 variable

7Y-1=23-5Y


3[2-4(X-1)]=3-4(X+2)


Thanks so much for your help!!! Find the coordinates of the vertex and the equation of the axis of symmetry of the graph of each equation. y=x squared-3x-10