Solve the equation by completing the square.x2 + 12x + 27 = 0
A. ±
B. 36, -9
C. 3, 9
D. -3, -9
Answer: D
Mathematics
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Solve the problem.Suppose you pay $3.00 to roll a fair die with the understanding that you will get back $5.00 for rolling a 4 or a 6, nothing otherwise. What is your expected net winnings?
A. $5.00 B. -$1.33 C. $3.00 D. -$3.00
Mathematics
Multiply and simplify.-6z ? 
A. 0 B. 36z C. 1 D. -1
Mathematics
Find the indicated probability.If you flip a coin three times, the possible outcomes are HHH, HHT, HTH, HTT, THH, THT, TTH, TTT. Find the probability of getting the same thing on all three coins.
A. 
B. 
C. 
D. 
Mathematics
Find three consecutive even numbers whose sum is 48.
A. 7, 9, 11 B. 14, 16, 18 C. –14, –12, –10 D. 16, 18, 20 E. 10, 13, 16
Mathematics