Solve the problem.An airplane flies on a compass heading due north at 430 mph. The wind affecting the plane is blowing from 298° at 31.0 mph. What is the true course and ground speed of the airplane? Round results to an appropriate number of significant digits.
A. 92°, 458 mph
B. 86°, 445 mph
C. 87°, 458 mph
D. 92°, 445 mph
Answer: A
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Find T, N, and B for the given space curve.r(t) = 
i + 
j + 4tk
A. T = 
(cos 0.75t)i - 
(sin 0.75t)j + 
k; N = (-sin 0.75t)i - (cos 0.75t)j; B = - 
k
B. T = 
(cos 0.75t)i - 
(sin 0.75t)j; N = (-sin 0.75t)i - (cos 0.75t)j; B = 
(cos 0.75t)i - 
(sin 0.75t)j - 
k
C. T = 
(cos 0.75t)i - 
(sin 0.75t)j + 
k; N = (-sin 0.75t)i - (cos 0.75t)j; B = 
(cos 0.75t)i - 
(sin 0.75t)j - 
k
D. T = 
(sin 0.75t)i - 
(cos 0.75t)j; N = (-sin 0.75t)i - (cos 0.75t)j; B = 
(cos 0.75t)i - 
(sin 0.75t)j - 
k
Provide an appropriate response.Identify the numerical coefficient: -4m
Fill in the blank(s) with the appropriate word(s).
Use the appropriate identity to find the indicated function value. Rationalize the denominator, if applicable. If the given value is a decimal, round your answer to three decimal places.csc ?, given that sin ? = 
A. 
B. 
C. 
D. 
Solve and graph the solution set on a number line.|x + 8| ? 0
A. (-?, -8)
B. {8}
C. ?
D. {-8}