Evaluate the expression without the use of a calculator, and then verify your answer using a calculator.log 
A. 4
B. 10,000
C. -4
D. 40
Answer: C
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Evaluate the expression for the given values of the variables, if possible.
x = -18
A. -9 B. -8 C. -10 D. 9
Round the money amount to the nearest cent or dollar as indicated.$4999.74, nearest dollar
A. $5 B. $4999.7 C. $5000 D. $4000
Solve the problem.A discount warehouse offers two types of annual memberships. Plan A has an annual membership fee of $300 and the member pays 60% of the manufacturer's recommended list price. Plan B has an annual membership fee of $60 and the member pays 90% of the manufacturer's recommended list price. How many dollars of merchandise would a member have to purchase in a year to pay the same amount under both plans?
A. $160.00 B. $1600.00 C. $80.00 D. $800.00
Use the half-angle formulas to simplify the expression.
?
?
A. ?- |cot x| B. ?- |3 tan x| C. ?- |3 tan 6x| D. ?- |3 cot 3x| E. ?- |cot 3x|