exam Maths Puzzle Numerical Ability

how would i do this? The letters of the word Mississippi are placed in a hat. What is the probability that the first two letters drawn are both i if the first letter drawn is not replaced?

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exam Other Question

Determine the x- intercepts of the graph of p(x) = (x + 8)^2 (x - 12) (x - 10).
For each x-intercept, determine whether the graph of p crosses the x-axis or
intersects but does not cross the x-axis. please help me i need your help .Thanks in advance .It has do be factor completely .

1) x^2+17x+16

2) 3x^2-75y^2