exam Maths Puzzle Numerical Ability

Calculate the probability of drawing four cards out of a standard deck.

P(4 of a kind)
P(All the same suit)
P(All the same #)

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exam Other Question

Which of the following applies to the graph of 3x - y = 9?
The choices are:
m = -3, passes through (9, 0)
m = 3, y-intercept = -9
m = -3, x-intercept = -9
m = 1/3, passes through (0,-9)
Evaluate a(b+c) if a = 9, b = 3, and c = 7.