A professor grades students on two tests, three quizzes, and a final examination. Each test counts the same as three quizzes and the final examination counts the same as two tests. Maegan has test scores of 85 and 97. Maegan's quiz scores are 85, 74, and 85. Her final examination score is 96. Use the weighted mean formula to find Maegan's average for the course. The professor rounds averages to the nearest integer.
a. 87
b. 91
c. 89
d. 88
e. 66
b. 91
Mathematics
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Evaluate the integral.
A. -2 ln
+ C
B. ln
+ C
C. 
ln
+ C
D. 
ln
+ C
Mathematics
Name the quadrant in which the point is located, or the axis on which it lies .(0, -19)
A. y-axis B. Quadrant II C. Quadrant III D. x-axis
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operations. Write the resulting polynomial in standard form.(-3x + 2y)(2x - 4y)
A. -6x2 + 16xy + 16y2 B. -6x2 + 12xy - 8y2 C. -6x2 + 16xy - 8y2 D. -6x2 + 4xy - 8y2
Mathematics