Solve the system. x - y + 5z = 16-3x + 3y - 15z = 3 x + 4y + z = 7
A. (0, 1, 3)
B. (3, 0, 1)
C. (3, 1, 0)
D. No solution
Answer: D
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Graph the curve whose parametric representation is given. x = 2t - 1, y = t2 + 1; -4 ? t ? 4 
A. 
B. 
C. 
D. 
Calculate the flux of the field F across the closed plane curve C.F = x2i + y2j; the curve C is the closed counterclockwise path around the triangle with vertices at 
and 
A. 6
B. - 
C. 2
D. 0
Use the given growth rate to find the approximate doubling time and to predict the population in 50 years of a growing suburban town (based on a current population of 100,000).Use the average growth rate between 1970 and 2000, which was about 1.4%.
A. 52 years; population in 50 years = 229,740 B. 60 years; population in 50 years = 174,110 C. 50 years; population in 50 years = 200,000 D. 45 years; population in 50 years = 151,572
Translate the word statement into a percent proportion. Do not solve.What number is 102% of 54?
A. 
= 
B. 
= 
C. 
= 
D. 
= 