Solve the problem.An average score of 90 for 5 exams is needed for a final grade of A. John's first 4 exam grades are 79, 89, 97, and 95. Determine the minimum grade John needs on the fifth exam to get an A in the course.
A. 95
B. 100
C. 90
D. 85
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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Perform the indicated operation involving cylindrical coordinates.Find the rectangular coordinates of the point whose cylindrical coordinates are
.
A. 
B. 
C. 
D. 
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Provide an appropriate response.Rewrite as an exponential equation: log6 
= -2
A. 636 = -2
B. 
= 6
C. 6-2= 
D. -26 = 
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Solve the problem.Find the formula for the area of the shaded region and express it in factored form.
A. (y - 9)2 B. (y + 9)2 C. (y + 9)(y - 9) D. y2 + 81
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