Find the exact value of the expression or state that it does not exist.sin-1 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Round off the approximate number as indicated.2659 2 significant digits
A. 2600 B. 2660 C. 2700 D. 2800
Mathematics
Add or subtract.-21 + (-13)
A. 8 B. -8 C. 34 D. -34
Mathematics
Use the cofunction identities to find an angle ? that makes the statement true.tan (2? - 140°) = cot (? + 5°)
A. ? = 6° B. ? = 75° C. ? = 10° D. ? = 16°
Mathematics
Solve the problem.The Cool Company determines that the supply function for its basic air conditioning unit is 
and that its demand function is 
, where p is the price. Determine the price for which the supply equals the demand.
A. $22.86 B. $22.36 C. $21.86 D. $21.36
Mathematics