Simplify.
A. 
B. 7x + 4
C. 
D. 
Answer: C
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Simplify.
2
A. 
B. 
C. 
D. 
Indicate whether the statement is a simple or a compound statement. If it is a compound statement, indicate whether it is a negation, conjunction, disjunction, conditional, or biconditional by using both the word and its appropriate symbol.If you forget to bring the book back to the library, you will have to pay a fine.
A. Simple statement B. Compound; conditional; ? C. Compound; conjunction; ? D. Compound; biconditional; ?
Provide an appropriate response. Given that sin 40° = 0.6428, which angle has the cosine value of 0.6428?
A. 130° B. 50° C. 40° D. 140°
Solve.A rotating beacon is located a distance d from a long wall. The distance d is given by 
, where t is the time measured in seconds since the beacon started rotating. Solve the equation for t.
A. t = 2? arctan 
B. t = 
arctan 
C. t = 
tan 
D. t = 2? tan 