Find a positive value of the given variable so that the trinomial is factorable.3y2 + by - 1; b = ?
A. 2
B. 5
C. 3
D. 4
Answer: A
Mathematics
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Evaluate the integral.
A. 7 csch x2 + C
B. 
+ C
C. - 
sech x2 + C
D. 
sech x2 + C
Mathematics
Evaluate the expression by first changing the form. Verify the answer by use of a calculator. sin 
cos 
- cos 
sin 
A. 
B. 
C. 1
D. 
Mathematics
If a = 5 and c = 21, determine the value of B.
Mathematics
Factor.x3 - x2 + 12x - 12
A. (x2 - 1)(x + 12) B. (x2 - 12)(x + 1) C. (x2 + 1)(x - 12) D. (x2 + 12)(x - 1)
Mathematics