Simplify by finding the absolute value.-
A. - 
B. - 4
C. 
D. 4
Answer: C
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Determine whether the statement is true or false.If 9 + 2 = 19, then Canada is in North America.
A. True B. False
Express the vector in the form v = v1i + v2j + v3k.
if P1 is the point (5, -1, -1) and P2 is the point (7, -4, -5)
A. v = -2i + 3j - 4k B. v = -2i - 3j + 4k C. v = -2i + 3j + 4k D. v = 2i - 3j - 4k
Use a sum-to-product identity to rewrite the expression.sin 8° sin 28°
A. 2cos 18.0° cos (-10.0°) B. 2sin 18.0° sin (-10.0°) C. 2cos 18.0° sin (-10.0°) D. 2sin 18.0° cos (-10.0°)
Find the expected value.A fair coin is tossed three times, and a player wins $3 if 3 tails occur, wins $2 if 2 tails occur and loses $3 if no tails occur. If one tail occurs, no one wins. What is the expected value of the games?
A. $0.75 B. $2.00 C. -$3.00 D. $3.00