Simplify the expression. Assume all variables represent positive real numbers.
A. 2
B. 6
C. 3
D. 6
Answer: A
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List all numbers from the set that are of the type indicated.
Natural numbers
A. 3 B. 0, 3 C. -15, 0 D. 0
Find the probability of the following card hands from a 52-card deck. In poker, aces are either high or low. A bridge hand is made up of 13 cards.In poker, a full house (3 cards of one value, 2 of another value)
A. 1.44 × 10-3 B. 3.85 × 10-5 C. 9.20 × 10-6 D. 6.55 × 10-3
Solve the quadratic equation using the most efficient technique (factoring, extracting square roots, completing the square, or the quadratic formula).(7x + 9)2 = 9
A. 
B. 
C. 
D. 
Without solving, determine the character of the solutions of the equation in the complex number system.x2 - 2x - 4 = 0
A. two unequal real solutions B. two complex solutions that are conjugates of each other C. a repeated real solution