Solve the problem.The surface area of a hollow cylinder (tube) is given by 
where h is the length of the cylinder and R1 and R2 are the outer and inner radii. If h, R1, and R2 are measured to be 6 inches, 6 inches, and 10 inches respectively, and if these measurements are accurate to within 0.1 inches, estimate the maximum possible error in computing S.
A. 25.13
B. 21.36
C. 13.82
D. 17.59
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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Factor completely the polynomial. Indicate any that are not factorable using integers.a2 - 4a + 45
A. (a - 5)(a + 9) B. (a + 5)(a - 9) C. (a - 5)(a - 9) D. (a + 5)(a + 9) E. not factorable
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9% annual interest rate is ______% semiannual rate.
What will be an ideal response?
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Find the slope of the line.2x - 4y = 16
A. 
B. - 2
C. 2
D. - 
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