exam Maths Puzzle Numerical Ability

You have three $1 bills, four $5, and two $10 bills in your wallet. You select a bill at random. Without replacing the bill, you choose a second bill at random.Find p($10 then $1)

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exam Other Question

Find the measure of the complement of a 18 degree angle.
Find the measure of the suppiement of a angle 43degree angle.
Divide. Then simplify by taking roots, if possible. Assume that all expressions under radicals represent positive numbers.

sqrt ( 6a ) / sqrt ( 3a )