Factor completely. If the polynomial cannot be factored, say it is prime.3x2 - 75
A. 3(x - 5)2
B. 3(x + 5)2
C. prime
D. 3(x + 5)(x - 5)
Answer: D
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Solve the problem.Suppose that of the sons of right-handed fathers, 90% are right-handed and 10% are left-handed. Of the sons of left-handed fathers, 30% are right-handed and 70% are left-handed. (Assume that right-handed and left-handed fathers have sons in equal numbers.) Suppose that in the initial generation all of the fathers are right-handed. Determine the percentage of their grandsons that are left-handed.
A. 84% B. 1% C. 10% D. 16%
Identify the radicand.4
A. 4
B. 
C. 4
D. x2 + 5
Express the product as a sum containing only sines or cosines.cos (6?) cos (5?)
A. cos2 (30?2)
B. 
[cos (11?) - sin ?]
C. 
[cos (11?) - cos ?]
D. 
[ cos ? + cos (11?)]
Provide an appropriate response.What is the degree of term 3x14y9?
Fill in the blank(s) with the appropriate word(s).