Write the expression as the sum or difference of logarithms.log8 
A. log8 9 - log8 8
B. log8 9 + log8 8
C. log4 9 - log4 8
D. log8 8 - log8 9
Answer: A
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The following circle graph displays Chris and Mary Smith's monthly $2900 family budget. Use the circle graph to answer the question. 
What is the ratio of money spent on utilities to money spent on charity?
A. 
B. 
C. 
D. 
Solve the problem.The wind is blowing at 10 knots. Sailboat racers look for a sailing angle to the 10-knot wind that produces maximum sailing speed. This situation is now represented by the polar graph in the figure shown below. Each point (r, ?) on the graph gives the sailing speed, r, in knots, at an angle ? to the 10-knot wind. What angle to the wind produces the maximum sailing speed? What is the speed to the nearest knot, of the sailboat sailing at 150° angle to the wind? 
A. 150°; 6 knots B. 120°; 6 knots C. 150°; 8 knots D. 120°; 8 knots
Write the improper fraction as a mixed number or an integer.
A. 4
B. 6
C. 5
D. 5
Multiply. Write a mixed numeral for the answer.2
? 4
A. 11
B. 9
C. 8
D. 9