A die is rolled twice. Write the indicated event in set notation.The first roll is a 6 and so is the second.
A. {(6, 1), (6, 2), (6, 3), (6, 4), (6, 5), (6, 6)}
B. (1, 6), (2, 6), (3, 6), (4, 6), (5, 6), (6, 6)}
C. {(6, 6), (1, 6), (6, 1), (6, 5), (5, 6)}
D. {(6, 6)}
Answer: D
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Use De Moivre's theorem to simplify the expression. Write the answer in the form a + bi.
4
A. -4 B. -4i C. 4i D. 4
Solve the problem.When an object is dropped to the ground from a height of h meters, the time it takes for the object to reach the ground is given by the equation t = 
, where t is measured in seconds. If an object falls 78.4 meters before it hits the ground, find the time it took for the object to fall.
A. 16 sec B. 5 sec C. 7 sec D. 4 sec
Find the prime factorization of the composite number.126
A. 22 ? 32 ? 7 B. 14 ? 32 C. 2 ? 32 ? 7 D. 2 ? 3 ? 7
Complete.42 in. = 
ft
A. 5
B. 3
C. 3
D. 4