Find the angle between the given vectors to the nearest tenth of a degree.u = 
, v = 
A. 15.4°
B. 5.4°
C. -7.3°
D. 2.7°
Answer: B
Mathematics
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Find the eccentricity of the hyperbola.x2 - 2y2 = 6
A. 
B. 
C. 
D. 
Mathematics
Solve the system by the method of your choice. Identify systems with no solution and systems with infinitely many solutions, using set notation to express their solution sets.
+ 
= 2 x - y = 4
A. {
x - y = 4 }
B. {(5, 1)}
C. {(4, 2)}
D. ?
Mathematics
Use the quotient rule to simplify the expression. Use positive exponents to write the answer.
A. 83
B. 
C. 89
D. 
Mathematics
Arrange the group of numbers in order, from least to greatest.5.24, 4.78, 4.87, 5.42
A. 5.42, 5.24, 4.87, 4.78 B. 4.78, 4.87, 5.24, 5.42 C. 4.78, 5.24, 4.87, 5.42 D. 4.87, 4.78, 5.42, 5.24
Mathematics