Determine the constant of variation for the stated condition.y varies directly as x, and y = 7 when x = 49.
A. k = 7
B. k = 8
C. k = 
D. k = 42
Answer: C
Mathematics
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Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = (8x + 7y)i + (5x - 7y)j; C is the region bounded above by y = -2x2 + 100 and below by 
in the first quadrant
A. - 
B. - 1940
C. - 
D. 990
Mathematics
Solve the problem. Write ratios in simplest form.At an advertising agency that employs 258 people, 135 employees receive 2 weeks of paid vacation each year. Find the ratio of those who receive 2 weeks of paid vacation those whose paid vacation is not 2 weeks.
A. 
B. 
C. 
D. 
Mathematics
Round the following decimal to the nearest hundredth. ? 670.311 ?
A. 670.5 B. 670.31 C. 670.312 D. 670.32 E. none of the above
Mathematics
Write the mixed number as an improper fraction.2
A. 
B. 
C. 
D. 
Mathematics