Determine the degree measure of the given angle.

A. 120°
B. 45°
C. 135°
D. 60°


Answer: B

Mathematics

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Find the flux of the curl of field F through the shell S.F = -4x2yi + 4xy2j + z3k; S is the portion of the paraboloid 2 - x2 - y2 = z that lies above the 

A. 64?
B. ?
C. 64
D. 8?

Mathematics

Solve the problem.Approximately 4 × 103 employees of a certain company average $30,000 each year in salary. Write the total amount earned by all the employees of this company per year in scientific notation.

A. $1.2 × 109 B. $1.2 × 108 C. $12 × 109 D. $12 × 108

Mathematics

Determine the intervals on which the function is increasing, decreasing, and constant.

A. Increasing on (-3, 0); Decreasing on (-5, -3) and (2, 5); Constant on (0, 2) B. Increasing on (-3, -1); Decreasing on (-5, -2) and (2, 4); Constant on (-1, 2) C. Increasing on (-3, 1); Decreasing on (-5, -3) and (0, 5); Constant on (1, 2) D. Increasing on (-5, -3) and (2, 5); Decreasing on (-3, 0); Constant on (0, 2)

Mathematics

Perform the row operation(s) on the given augmented matrix.R1 =  r1 

A.
B.
C.
D.

Mathematics