The vectors u, v, and w are drawn below. Sketch the given vector. 
u + v + w
A. 
B. 
C. 
D. 
Answer: C
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Solve the problem.Max scored 69 and 60 on his first two tests in Biology 101. What must he score on the third test to get an average for the three tests above 77?
A. (99, ?) B. [102, ?) C. (102, ?) D. [103, ?)
Solve the problem.Suppose that during a certain step in a chemical manufacturing process the amount of hydrogen sulfide dissolved in a solution, measured in parts per million (ppm), is related to the elapsed time measured from the beginning of the step. Use the following table and graph as a representation of this relationship.
Is the slope positive, negative, zero, or undefined?
A. Negative B. Zero C. Undefined D. Positive
Solve the problem.The position of a weight attached to a spring is s(t) = -5 cos 6?. What is the maximum height that the weight rises above the equilibrium position?
A. 5
B. 6
C. 
D. 0.83333333
Decide whether the argument is valid or invalid, and give the form (of valid or invalid argument) that applies.If you wear a tie, then you look natty.
You are not wearing a tie.
A. Valid; modus tollens B. Valid; disjunctive syllogism C. Invalid; fallacy of the converse D. Invalid; fallacy of the inverse