Rewrite the following number using digits.Six hundred thirty-eight thousand, nine hundred ninety-seven

A. 638,997
B. 638,977
C. 638,997,000
D. 638,000


Answer: A

Mathematics

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Calculate the flux of the field F across the closed plane curve C.F = (x+y)i + xyj; the curve C is the closed counterclockwise path around the rectangle with vertices at    and 

A. 36
B.
C.
D.

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Evaluate the polynomial.4x2 + 2x - 7for x = -3

A. 13 B. -25 C. 19 D. 23

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Evaluate the radical expressions or indicate that the root is not a real number.

A. 10 B. 2 C. -2 D. Not a real number

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Select the graph of the polar equation using symmetry, zeros, maximum r-values, and any other additional points. ? ?

A. Symmetric with respect to , polar axis, pole

Circle with radius

?


B. Symmetric with respect to , polar axis, pole

Circle with radius

?


C. Symmetric with respect to , polar axis, pole

Circle with radius

?


D. Symmetric with respect to , polar axis, pole

Circle with radius

?


E. Symmetric with respect to , polar axis, pole

Circle with radius

?


Mathematics