Solve the equation for x. Write your answer as an improper fraction if necessary. 6x + 6 = 2x + 18
A. x = 3
B. x = -3
C. x = 
D. x = -5
Answer: A
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Write the standard equation for the circle.Center at (-6, 8), radius 
A. (x + 6)2 + (y - 8)2 = 14 B. (x - 8)2 + (y + 6)2 = 196 C. (x + 8)2 + (y - 6)2 = 196 D. (x - 6)2 + (y + 8)2 = 14
Find the derivative of the function.y = ln 9x2
A. 
B. 
C. 
D. 
Solve.The population of a particular country was 23 million in 1980; in 1990, it was 34 million. The exponential growth function 
describes the population of this country t years after 1980. Use the fact that 10 years after 1980 the population increased by 11 million to find k to three decimal places.
A. 0.240 B. 0.666 C. 0.039 D. 0.049
Solve.The 6th hole at the Riverwoods Golf Course is 300 yd long. How long would it be on a model with a scale of 1.5 in. to 100 yd?
A. 150 in. B. 4.5 in. C. 2.25 in. D. 45 in.