Simplify the complex fraction.
A. 
B. 4
C. 
D. - 
Answer: B
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Evaluate the expression.1 + 9 + 7
A. 3 B. -15 C. -1 D. 17
Convert the equation to the standard form for a hyperbola by completing the square.4y2 - 16x2 + 16y - 64x - 112 = 0
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Provide an appropriate response.A student was trying to solve the problem 
. The student knew that he or she should set 
but was confused about whether or not he or she should set 
, or 9 = 0 and 
. How would you advise this student?
What will be an ideal response?
Solve the problem.The angle of elevation from a point on the ground to the top of a tower is 35° 1'.The angle of elevation from a point 146 feet farther back from the tower is 22° 17'. Find the height of the tower. Round your answer to the hundredths place.
A. 139.89 ft B. 154.63 ft C. 1441.25 ft D. 144.13 ft