Draw a vector representing the velocity.
?
10 ft/min 
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: C
Mathematics
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Solve.A rectangular enclosure must have an area of at least 
If 
of fencing is to be used, and the width cannot exceed the length, within what limits must the width of the enclosure lie?
A. 10 ? w ? 40 B. 25 ? w ? 40 C. 0 ? w ? 10 D. 10 ? w ? 25
Mathematics
Simplify.
A. -2 B. -1 C. 2 D. undefined
Mathematics
Simplify.
A. 7
B. 1
C. 
D. 7(a - 3b)
Mathematics
The graph of a piecewise-defined function is given. Write a definition for the function. 
A. 
B. 
C. 
D. 
Mathematics