Answer the following question involving a conversion within the USCS system.A boat is moving at 48 miles per hour. What is its speed in knots (nautical miles per hour)?
A. 55.2 knots
B. 57.2 knots
C. 41.7 knots
D. 39.7 knots
Answer: C
Mathematics
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Sketch the complete graph of the function.y = 8x2 - 32x + 38
A. 
B. 
C. 
D. 
Mathematics
Express the given function H as a composition of two functions f and g such that H(x) = (f ? g)(x).H(x) = 
A. f(x) = 
, g(x) = x2
B. f(x) = 
, g(x) = 
C. f(x) = 32x2 + 50, g(x) = 
D. f(x) = 
, g(x) = 32x2 + 50
Mathematics
Solve the equation by completing the square.x2 - 4x + 20 = 0
A. -2 ± 4i B. 6, -2 C. 2 ± 4i D. 4 ± 8i
Mathematics
Evaluate the sum.
A. 23 B. 12 C. 42 D. 21
Mathematics