Solve the problem.Jackie's sisters weigh 117 lb, 142 lb, 121 lb, and 126 lb. The average female in her city weighs 136.2 lb. How much does Jackie weigh if she and her sisters have an average weight of 136.2 lb?
A. 126.5 lb
B. 126 lb
C. 175 lb
D. 128.4 lb
Answer: C
Mathematics
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Use the vectors in the figure below to graph the following vector. 
z - v 
A. 
B. 
C. 
D. 
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Solve the problem. Round to the nearest cent.Marc Banks paid $436.49 for round-trip tickets to Hawaii. He paid sales tax at a rate of 6.25%. How much tax did he pay?
A. $272.80 B. $22.92 C. $27.28 D. $31.65
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Express as a sum of logarithms.logr 10T
A. logr 10 + logr T + logr r B. logr 10 + logr T C. log7 r + logT r D. log 10 + log T
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Simplify the expression involving rational exponents.
-4/3
A. 
B. Not a real number
C. 
D. - 
Mathematics