Give the exact value.sin 
A. - 
B. 
C. 
D. - 
Answer: A
Mathematics
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Solve the equation and state the solution set.
- 
= 
A. {38}
B. {19}
C. {-19}
D. {
}
Mathematics
Solve the problem. Round your answer, if appropriate.A man 6 ft tall walks at a rate of 4 ft/sec away from a lamppost that is 18 ft high. At what rate is the length of his shadow changing when he is 75 ft away from the lamppost? (Do not round your answer)
A. 
ft/sec
B. 1 ft/sec
C. 2 ft/sec
D. 50 ft/sec
Mathematics
Arrange the fractions in ascending order. Or, if the fractions are equivalent, answer "Equivalent".
, 
A. Equivalent
B. 
, 
C. 
, 
Mathematics
Simplify.
2 + 
A. 
B. 
C. 
D. 
Mathematics