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

Mathematics

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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.

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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.

Mathematics

Find the product.(2x + 3)4

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Mathematics