Factor completely. If the polynomial cannot be factored, say it is prime.6x6 - 5x3 - 6
A. (3x3 + 1)(2x3 - 6)
B. (3x3 + 2)(2x3 - 3)
C. 6(x3 - 3)(x3 + 2)
D. (2x3 + 3)(3x3 - 2)
Answer: B
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Solve the problem.Suppose y = mx + b is a mathematical model for actual time as a function of estimated time, where y represents actual time and x represents estimated time and m and b are constants. If m = 2.2 and b = -3.9, find y when x is 30 min.
A. 21.42 min B. 69.9 min C. 62.1 min D. 38.58 min
Divide the monomials.
A. 4k2 B. 15 C. 15k2 D. 4k
Solve for the specified variable.
= 
, for z
A. z = 
B. z = 
C. z = 
D. z = 
Solve the problem.The number of bacteria growing in an incubation culture increases with time according to 
where x is time in days. Find the number of bacteria when x = 0 and x = 4.
A. 5000, 20,000 B. 10,000, 80,000 C. 5000, 80,000 D. 5000, 40,000