Solve the equation.log7 x2 = log7 (2x + 3)
A. 
B. 3, -1
C. 3
D. No solution
Answer: B
Mathematics
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Round following numbers as indicated.39.5723 (nearest thousandth)
A. 39.572 B. 39.562 C. 39.582 D. 39.5723
Mathematics
The graph of a polar equation is given. Select the polar equation for the graph. 
A. r sin ? = -1 B. r = -2 cos ? C. r = -1 D. r = -2 sin ?
Mathematics
Divide.
A. 0.18abc B. 0.18ab5c C. -0.18ab6 D. 0.18ab5
Mathematics
Find the common ratio for the geometric sequence.20, 10, 5, 2.5, 1.25, . . .
A. 0.5 B. -0.5 C. 1.25 D. 2
Mathematics