Answer each question appropriately.Which of the following integrals, if any, calculates the area of the shaded region?
A. 
dx
B. 
dx
C. 
dx
D. 
dx
Answer: A
Mathematics
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Find v ? u.v = 
and u = 
A. 0
B. 
i - 
j
C. 
i
D. 
Mathematics
Convert the units using two or three unit fractions.5
mi = 
ft
A. 14,520 B. 2904 C. 58,080 D. 29,040
Mathematics
Factor and simplify the expression.sin2x + sin2x cot2x
A. 1 B. sin2x + 1 C. cot2x - 1 D. cot2x + 1
Mathematics
A river flows in a roughly circular path around a hill. A surveyor measures the distance from P to Q to be 688 .The perpendicular distance from B to the midpoint of PQ, point A, is 86'. What is the radius of curvature of the river through this turn?
Mathematics