exam Maths Puzzle Numerical Ability

I am supposed to simplify the sqrt of 3x/2. From the work I have done, I do not think it simplifies, am I doing something wrong??? Thanks for your help.

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exam Other Question

I have to tell whether the equation represents a direct, join, or inverse variation and then name the constant:

n/m=1.5

I think it is direct and the constant is 1.5

Next o Please help me. I am having problem with this question.

Anne is pulling on a 60-foot rope attached to the top of a 48-foot tree while Walter is cutting the tree at its base. How far from the base of the tree is Anne standing?

Thank you