exam Maths Puzzle Numerical Ability

Solve. Then Graph.

7x >_ 63 (The _ is supposed to be under the >)

Would the solution be {xlx<9} ?? AND
the graph be a hollow circle on the 9 and and arrow towards the numbers higher than 9? Am I even close?

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exam Other Question
WHAT ARE THE FACTORS OF 48 (e^-X)(X^5)/5! = .174785

Solve for X

Answer should be 2.5, but I need to know the steps for solving powers in equations.
Thank you.