Find the prime factorization of the number.198
A. 2 ? 2 ? 3 ? 3 ? 11
B. 2 ? 3 ? 11
C. 22 ? 3 ? 3
D. 2 ? 3 ? 3 ? 11
Answer: D
Mathematics
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Find the focus and directrix of the parabola.- 
x2 = y
A. (0, -6); y = 6 B. (-12, 0); x = 6 C. (0, 6); y = -6 D. (0, -6); y = -6
Mathematics
Find the exact value of y, or state that y is undefined.y = csc-1(-1)
A. ?
B. - 
C. 
D. 2?
Mathematics
Solve.Neglecting air resistance, the distance h traveled by a free-falling object in time t is given by the formula 
Use this formula to find the time of free fall for a parachutist who falls 3404 feet before opening her parachute. Round your answer to the nearest tenth of a second.
A. 3.6 sec B. 106.4 sec C. 14.6 sec D. 233.4 sec
Mathematics
Solve.
+ 
= 
A. - 
B. 
C. -2, 
D. no solution
Mathematics