Multiply and simplify if possible.
A. 
B. s2
C. 
D. s
Answer: D
Mathematics
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Determine the symmetries of the curve.r = 3 sin ? - 3 cos ?
A. x-axis only B. y-axis only C. No symmetry D. x-axis, y-axis, origin
Mathematics
Eliminate the parameter t from the following and then sketch the graph:
?
?
A. 
B.
C.
D.
E.
Mathematics
Find the indicated sum.Find the sum of the first 40 terms of the arithmetic sequence: 18, 28, 38, 48, . . .
A. 8520 B. 8720 C. 418 D. 8529
Mathematics
Solve.A projectile is thrown upward so that its distance, in feet, above the ground after t seconds is 
What is its maximum height?
A. 158,625 ft B. 10,125 ft C. 3375 ft D. 6525 ft
Mathematics