Calculate the circulation of the field F around the closed curve C.F = xyi + 8j , curve C is r(t) = 2 cos ti + 2 sin tj, 0 ? t ? 2?
A. 
B. 16
C. 0
D. 
Answer: C
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Find the absolute and relative errors.The length of the room is 11 feet but you measure it to be 11 feet and 5 inches.
A. absolute error: 5 inches relative error: 3.6% B. absolute error: -5 inches relative error: -3.8% C. absolute error: 5 inches relative error: 4.5% D. absolute error: 5 inches relative error: 3.8%
Solve the problem.A recent survey revealed that 
of computer owners in a certain city have access to the Internet. Describe the population this statement is referring to.
What will be an ideal response?
Solve the absolute value equation.
= 
A. x = -4 B. x = -12 C. x = -4, 12 D. x = 4, -12
Solve the problem.Allied Radio is a company which makes clock radios. The following table gives the profit, y, in dollars that this company made during the three stated years, x.
This set of data can be modeled by f(x) = ax2 + bx + c, where x represents the year. Find a linear system for which the solution represents the values of a, b, and c. Use technology to solve this system. Then, using the quadratic equation, predict the profit that Allied Radio made in the year 1992. Round your answer to the nearest hundred dollars.
A. $835,900 B. $835,200 C. $835,500 D. $834,800