exam Maths Puzzle Numerical Ability

Hi,

I need to find the surface area of a square with a base of 2yd and a height of 2yd.

Thank you

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exam Other Question

Hi. Can I have some help finding the domain of this function?

g(x)=√x/2x^2+x-1 Walt made an extra 9000 last year from a part time job. He invested part of the money at 9% and the rest at 8%. He made a total of $770.00 in interest. How much was invested at 8%?