Use the formula relating angular size, physical size and distance.What is the angular size of a quarter viewed from a distance of 71 yards?
A. 0.05°
B. 0.02°
C. 1.18°
D. 0.81°
Answer: B
Mathematics
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Perform the indicated operation.
A. m - 4
B. 6m - 4
C. 6m - 4 + 
D. 6m + 4
Mathematics
Solve the problem.Find the derivative of the function 
at the point 
in the direction in which the function decreases most rapidly.
A. - 
B. - 
C. - 
D. - 
Mathematics
Write the number in scientific notation.0.000037215
A. 3.7215 × 104 B. 3.7215 × 10-4 C. 3.7215 × 10-5 D. 3.7215 × 105
Mathematics
Find the flux of the curl of field F through the shell S.F = -6x2yi + 6xy2j + ln zk ; S: r(r, ?) = r cos ?i + r sin ?j + 3rk, 0 ? r ? 3 and 0 ? ? ? 2?
A. 108 B. - 243? C. - 108 D. 108?
Mathematics