exam Maths Puzzle Numerical Ability

Not sure if this is right

7. (2 pts)
Two balls are to be selected without replacement from a bag containing one red, one blue, one green, one yellow, and one black ball. How many points are there in the sample space? 5*4 = 20 ??

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exam Other Question

Given a hyperbola, what happens to:
X when Y gets larger?
Y when X gets larger?
I have to graph this and I am not sure how?
Graph the solution set of x > 3.