Solve the problem.The grade point average, G, of students at a community college is shown by age, x, in the table below. Use the line connecting the points (18, 2.5) and (26, 3.2) to find a linear model for this data. 
A. G = 0.1x + 0.7
B. G = 0.0875x + 2.5875
C. G = 0.0875x + 0.925
D. G = 0.0875x - 0.925
Answer: C
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Use Stokes' Theorem to calculate the circulation of the field F around the curve C in the indicated direction.F = -8y3i + 8x3j + 3z3k ; C: the portion of the paraboloid x2 + y2 = z cut by the cylinder 
A. -384? B. 384? C. - 192? D. 192?
Find the indicated decile or percentile.The test scores of 19 students are listed below. Find the sixth decile, D6 .
A. 65 B. 74 C. 69 D. 70
Write the factor set of the number.105
A. {1, 3, 4, 5, 7, 15, 21, 35, 105} B. {1, 3, 5, 7, 15, 35, 105} C. {1, 3, 5, 7, 15, 21, 35, 105} D. {1, 3, 5, 7, 15, 21, 105}
Use the four-step procedure to solve the variation problem.If the voltage in an electric circuit is held constant, the current varies inversely as the resistance. If the current is 80 milliamperes when the resistance is 2 ohms, find the current when the resistance is 8 ohms.
A. 316 milliamperes B. 320 milliamperes C. 40 milliamperes D. 20 milliamperes