Factor completely. If the polynomial is prime, state so.135x3 - 320x6
A. 5x3(3 - 4x)(9 + 16x2)
B. 5(3x -4x2)(9x2 + 12x3 + 16x4)
C. 5x3(3 - 4x)(9 + 12x + 16x2)
D. 5(3x + 4x2)(9x2 - 12x3 + 16x4)
Answer: C
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Solve the problem.The wind chill factor represents the equivalent air temperature at a standard wind speed that would produce the same heat loss as the given temperature and wind speed. One formula for computing the equivalent temperature is W(t) = 
where v represents the wind speed (in meters per second) and t represents the air temperature 
. Compute the wind chill for an air temperature of 15°C and a wind speed of 12 meters per second. (Round the answer to one decimal place.)
Fill in the blank(s) with the appropriate word(s).
Solve the problem.Determine whether (-2, 6, -1) is a solution of the system -x + 3y + 4z = 16 3x + 2y - z = 7 4x - y + 3z = -17.
A. No B. Yes
Choose the equation that matches the graph.
A. f(x) = x2 + 2x - 8 B. f(x) = x2 - 2x - 8 C. f(x) = x2 + 2x + 8 D. f(x) = -x2 + 2x - 8
Solve.x2 - 18 = 1
A. 3
, -3
B. 
, - 
C. 
, -
D. 
, - 