Evaluate the integral.
ln 7x dx
A. 137.72
B. 134.25
C. -38.11
D. 162.03
Answer: B
Mathematics
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Add.32 + (-52)
A. -20 B. 20 C. -84 D. 84
Mathematics
Find the common ratio r for the given infinite geometric sequence.1, -3, 9, -27, 81, . . .
A. - 
B. -4
C. -3
D. 3
Mathematics
Use formulas for perimeter and area to solve the problem.A circular fountain has a statue in its center, 6 m from the edge. Find the perimeter of the fountain. If necessary, use 3.14 for ? and round the result to the nearest tenth.
A. 18.8 m B. 35.7 m C. 37.7 m D. 36 m
Mathematics
Multiply and simplify.
? 
A. - 
B. 
C. 
D. -12
Mathematics