Solve for the indicated letter.Solve S = 
?r2 + (r + 4)h for r.
A. r = 
B. r = 
C. r = 
D. r = 
Answer: D
Mathematics
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Evaluate the cylindrical coordinate integral.
A. 12 - ln 2 B. 12? + ln 2 C. 6 - ln 2 D. 6? + ln 2
Mathematics
Use the Rule of 78 to find the amount of unearned interest for the loan paid in full before the date of maturity.Amount Financed: $12,250 Regular Monthly Payment: $392.00Total Number of Payments scheduled: 60Loan repaid in full instead of making: 34th payment
A. $2485.87 B. $2161.62 C. $1945.46 D. $2069.35
Mathematics
Graph the equation by plotting points.y = x2 
A. 
B. 
C. 
D. 
Mathematics
Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = 
between x = 3 and x = 8 using the midpoint sum with two rectangles of equal width.
A. 
B. 
C. 
D. 
Mathematics