Find the length of the curve.The curve r = a cos2 
, 0 ? ? ? ?, a > 0
A. 2?a
B. 
C. 2a
D. 
Answer: C
Mathematics
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Find the perimeter of (the distance around) the figure.
A. 338 in. B. 74 in. C. 338 ft D. 206 in.
Mathematics
Solve the problem.The stock market gained 18 points on Monday. It had closed the previous Friday at 2,616 points. How many points did the market close at on Monday?
A. 2,634 points B. 2,597 points C. 2,598 points D. 2,636 points
Mathematics
Graph the parabola.8y = x2
A. 
B. 
C. 
D. 
Mathematics
Consider the finite-state automaton given by the following next-state table:
Mathematics