Solve the problem.A coin is tossed twice. The sample space for this random experiment is
A. {H, H, T, T}.
B. {HH, HT, TT}.
C. {HH, HT, TH, TT}.
D. {H, T}.
E. none of these
Answer: C
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Which of the following is the simplified answer for the following expression, and which is a real life example?
?
?
A. ?answer: 316,800 ft.; converting miles to feet. B. ?answer: 316,800 in.; converting miles to inches. C. ?answer: 316,800; converting miles to feet. D. ?answer: 316,800 miles; converting inches to miles. E. ?answer: 316,800 in.; converting miles to inches.
Write the word statement as an equation. Use x to represent the unknown number. Do not solve.The sum of twice a number and 9 is 21.
A. x + 18 = 21 B. 2x + 9 = 21 C. 2(x + 9) = 21 D. 18x = 21
Find the probability of the compound event.If two 8-sided dice are rolled what is the probability that both numbers will be even?
A. 
B. 
C. 
D. 
Find the product.(2x + 3)4
A. (4x2 + 6x + 9)4 B. 16x4 + 96x3 + 216x2 + 216x + 81 C. 16x3 + 96x2 + 216x + 216 D. 48x4 + 288x3 + 216x2 + 648x + 81