Use the quotient rule to simplify the expression. Write the expression with positive exponents. Assume that all variables represent nonzero real numbers.
A. 97
B. 98
C. 9
D. 
Answer: A
Mathematics
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Solve the problem.Two angles are supplementary, and one is 40° more than three times the other. Find the smaller angle.
A. 105° B. 75° C. 35° D. 145°
Mathematics
Solve the problem using the information given in the table and the weighted-average inventory method. Round to the nearest cent.Calculate the average unit cost. 
A. $34.22 B. $26.09 C. $29.95 D. $149.73
Mathematics
Simplify.27 + 29 ? 21
A. 804 B. 1176 C. 77 D. 636
Mathematics
Determine whether b is in the column space of A.A = 
, b = 
A. Yes B. No
Mathematics