Evaluate the expression.-5 - 10
A. 5
B. -15
C. -5
D. 15
Answer: B
Mathematics
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Solve the problem.Suppose you buy 1 ticket for $1 out of a lottery of 1,000 tickets where the prize for the one winning ticket is to be $500. What is your expected net winnings?
A. -$1.00 B. $0.00 C. -$0.40 D. -$0.50
Mathematics
Perform the indicated operation and simplify. Write the result in the form a + bi.(4 - 4i) - (4 - i)
A. 0 - 5i B. 0 - 3i C. 8 - 5i D. 8 - 3i
Mathematics
Simplify the expression using the order of operations.(4 + 6)[3 + (4 + 4)]
A. 110 B. 264 C. 456 D. 34
Mathematics
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? = 
, 0 < ? < 
Find sin (2?).
A. 
B. 
C. 
D. 
Mathematics