Solve the problem.Two boats leave a dock together, each traveling in a straight line. One boat travels at 
and the other at 
If the angle between their courses measures 
how far apart are they after 
Give your answer in miles and round your answer to the nearest tenth.
A. 30.0 miles
B. 32.7 miles
C. 19.5 miles
D. 23.5 miles
Answer: C
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Solve the problem.Determine a polynomial that represents the area of the figure.
A. 9t2 + 9t + 9 B. 6t2 + 18t + 6 C. 9t2 + 9 D. 9t2 + 18t + 9
Identify the numerator and denominator.
A. Numerator 13
Denominator 27
B. Numerator 1
Denominator 
C. Numerator 27
Denominator 13
D. Numerator 
Denominator 1
Solve the problem.One hundred dollars is deposited in a savings account at 6% interest compounded continuously. The function defined by f(x) shown in the figure gives the balance in the account after t years. At what rate (in dollars per year) is the balance growing after 27 years?
A. ? $14/year B. ? $8/year C. ? $28/year D. ? $7/year
Find the second-order partial derivative.Find fxy when f(x,y) = 8x3y - 7y2 + 2x.
A. 24x2 B. 48xy C. -28 D. -14