Find the mean for the given sample data.The amount of time (in hours) that Sam studied for an exam on each of the last five days is given below. Find his mean study time. 1.2 6.1 6.3 2.4 5.1
A. 4.22 hours
B. 4.96 hours
C. 21.10 hours
D. 5.45 hours
Answer: A
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Let A = {0, 2, 4, 6, 8, 10}, B = {0, 3, 6, 9}, C = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, and D = {0, 4, 8}. Determine if the statement is true or false.D ? D
A. True B. False
Use a quantifier to make the following true or false, as indicated, where x is a natural number.x3 = 8 (make true)
A. Every natural number x satisfies x3 = 8. B. There exists a natural number x such that x3 = 8. C. No natural number x exists such that x3 = 8. D. Three natural numbers x exist such that x3 = 8.
Multiply. Write the answer in simplest form.
? 
A. b3
B. 
C. b2
D. b
Solve the problem.A restaurant offers a choice of 5 salads, 10 main courses, and 3 desserts. How many possible 
meals are there?
A. 300 possible meals B. 50 possible meals C. 18 possible meals D. 150 possible meals