Multiply the conjugates.(-2 + 7i)(-2 - 7i)
A. 56
B. 53
C. 54
D. -45
Answer: B
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Solve the equation.log3 (x + 5) + log3 (x - 1) = 3
A. {5} B. {4} C. {-8} D. {4, -8}
Write the first four terms of the sequence whose general term is given.an = 
n
A. 1, 
, 
, 
B. 1, 
, 
, 
C. 
, 
, 
, 
D. 
, 
, 
, 
Solve the problem.The path between three landmarks in a national park form a right triangle. The oldest living evergreen tree is at point A, the ranger station is at point B, and the natural hotspring is at point C. The right angle is at point C, and there is a 60° angle at point B. If the distance between the hotspring and the evergreen tree is 725 yards, find the distance, x, from the hotspring to the ranger station. 
A. 418.58 yd B. 1025.3 yd C. 1255.74 yd D. 512.6524 yd
Perform the indicated operation. Write the answer in simplest form. If the answer is an improper fraction, write it as a mixed number. 1
1
A. 318
B. 9
C. 9
D. 7