Find the unit vector having the same direction as v.v = -3i + j
A. u = - 
i + 
j
B. u = - 
i - 
j
C. u = -3
i + 
j
D. u = - 
i + 
j
Answer: D
Mathematics
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Solve the equation.37 - 73 = 6(x - 3)
A. 15 B. 3 C. -15 D. -3
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Solve.The amount of time it takes a swimmer to swim a race is inversely proportional to the average speed of the swimmer. A swimmer finishes a race in 25 seconds with an average speed of 6 feet per second. Find the average speed of the swimmer if it takes him 50 seconds to finish the race.
A. 3 feet per second B. 2 feet per second C. 4 feet per second D. 5 feet per second
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Write the fraction in lowest terms.
A. 3
B. 
C. 
D. 
Mathematics
Write the partial fraction decomposition of the rational expression.
A. 
+ 
B. 
- 
C. 
+ 
D. 
+ 
Mathematics