Find the angle between v and w. Round to one decimal place, if necessary.v = 2i + j + 2k and w = i + 2j + 3k
A. 63°
B. 27°
C. 53.3°
D. 48.2°
Answer: B
Mathematics
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Determine the ratio and write it in lowest terms.72 feet to 12 feet
A. 
B. 
C. 
D. 
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Graph the system of inequalities. Shade the region that represents the solution set.y? - x2 + 8x - y< 4
A. 
B. 
C. 
D. 
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Find the domain and range.{(-9,-9), (1,-8), (12,1), (8,-7)}
A. domain = {1, -9, 8, 12}; range = {-8, -8, -9, -7, 1} B. domain = {1, -9, 8, 12}; range = {-8, -9, -7, 1} C. domain = {-8, -9, -7, 1}; range = {1, -9, 8, 12} D. domain = {1, -9, 8, 12}; range = {-8, 9, -9, -7, 1}
Mathematics
Find the equation of the hyperbola with center (3, 9); vertex (3, 18) and passing through 
.
?
A. 
B. 
C. 
D. 
E. none of these
Mathematics