Simplify using the laws of exponents.69 ? 65 ? 66
A. 620
B. 216270
C. 21620
D. 6270
Answer: A
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Use Stokes' Theorem to calculate the circulation of the field F around the curve C in the indicated direction.F = -4y3i + 4x3j + 8z3k ; C: the portion of the paraboloid x2 + y2 = z cut by the cylinder 
A. 972? B. -972? C. - 486? D. 486?
Translate using symbols, then evaluate.Twelve increased by y, if y is equal to 8.
A. 12 - y; 20 B. 12 - y; 4 C. 12 + y; 20 D. 12 + y; 4
Solve the application problem.A manufacturer determines that the profit in dollars for manufacturing n units is 
(Assume that n is a positive integer) How many units are produced when the profit is $440?
A. 35 units B. 40 units C. 30 units D. 10 units
Solve the problem.A forest ranger at Lookout A sights a fire directly north of her position. Another ranger at Lookout B, exactly 2 kilometers directly west of A, sights the same fire at a bearing of N41.2°E. How far is the fire from Lookout A? Round your answer to the nearest 0.01 km.
A. 2.25 km B. 2.18 km C. 2.32 km D. 2.28 km