Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.tan ? = 
, ? < ? < 
Find sin 
.
A. - 
B. - 
C. 
D. 
Answer: C
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Find the vertices and locate the foci for the hyperbola whose equation is given.
- 
= 1
A. vertices: (-11, 0), (11, 0)
foci: (-9, 0), (9, 0)
B. vertices: (0, -11), (0, 11)
foci: (- 
, 0) , (
, 0)
C. vertices: (-11, 0), (11, 0)
foci: (- 
, 0) , (
, 0)
D. vertices: (-9, 0), (9, 0)
foci: (- 
, 0) , (
, 0)
Simplify completely. If the fraction is improper, write it as a mixed number.
A. 
B. 
C. 
D. 
Convert the decimal to a fraction. Make sure you simplify the fraction completely.6.05
A. 12
B. 6
C. 3
D. 
A moderately active 140-pound person will use 2,100 calories per day to maintain that body weight. How many calories per day are necessary to maintain a moderately active 145-pound person? ?
A. 2,180 calories B. 2,185 calories C. 21,750 calories D. 2,175 calories E. 2,170 calories