exam Maths Puzzle Numerical Ability

A school had 900 students at the start of a school year. If there is
an enrollment increase of 7% by the beginning of the next year, what is the new
enrollment?
Would this be 900 x .07= 63 = 963?

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exam Other Question
Complete the following for each function y=f(x)
a. State the x-intercepts of the graph and whether the graph crosses or just touches the x-axis at each x-intercept.
b. State the A cylinder has a radius of 5 in. If the volme of the cylinder is 250π in.³, what is the height of the cylinder?
[Hint: The volume of a cylinder is given by V = πr²h.]