Rationalize the denominator. 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Evaluate the integral.
A. 
+ C
B. 
+ C
C. 
+ C
D. 
+ C
Mathematics
Solve the problem.Jill is 7 kilometers away from Joe. Both begin to walk toward each other at the same time. Jill walks at 2 kilometers per hour. They meet in 2 hours. How fast is Joe walking?
A. 3.5 kilometers per hour B. 2.5 kilometers per hour C. 2 kilometers per hour D. 1.5 kilometers per hour
Mathematics
Solve. Remember to insert units when writing your answer.A 2.75-m sash cord has become frayed at both ends, so 1.3 cm is trimmed from each end. How long is the remaining cord?
A. 2.737 m B. 2.724 m C. 1.45 m D. 0.15 m
Mathematics
Find the first term and the common ratio of the geometric sequence.
, 
, 
, 
, 
, . . .
A. a1 = 4, r = 6
B. a1 = 4, r = 
C. a1 = 
, r = 4
D. a1 = 
, r = 
Mathematics