exam Maths Puzzle Numerical Ability

May I have some help with the following problem?

Suppose that each point in the coordinate plane is shifted 4 units to the right and 3 units upward.

(a) What point is shifted to (1, 3)?

(b) The point (a, b) is shifted to what new point?

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exam Other Question

Simplify:

{(a+5)/a}*{a^2/(a^2-25)}

Thanks!
Matt
(3x and the square root of 2 minus three x and the square rootnof 3 plus 8 plus three x and the square root of 3