The ages of the runners in a race and their finishing positions are given in the following table. Assuming x is the finish position and y is the person's age, is there a significant correlation between age and finishing position?
Finish123456Age333332314240Finish789101112Age433943444136?
?
A. significant at 5%, but not at 1%
B. significant at both 5% and 1%
C. significant at 1%
D. not significant
E. none of these choices
Answer: A
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Solve.Linda and Dave leave simultaneously from the same starting point biking in opposite directions. Linda bikes at 6 miles per hour and Dave bikes at 9 miles per hour. How long will it be until they are 30 miles apart from each other?
A. 
hr
B. 2 hr
C. 10 hr
D. 
hr
Find the required quantity given the wire that lies along the curve r and has density ?.Moment of inertia Iz about the z-axis, where r(t) = (6 sin 2t)i + (6 cos 2t)j + e3tk, 0 ? t ? 1; 
A. Iz = 4(e6 - 1)
B. Iz = 
C. Iz = 
D. Iz = 
[(144 + 9e6)3/2 - (144 + 9)3/2 ]
Use the encoding matrix E = 
, an additional coding matrix, F = 
, plus the matrices I = 
and O = 
to answer the question.EO
What will be an ideal response?
Divide.2223 ÷ 39
A. 57 R 30 B. 57 C. 58 D. 58 R 29