Factor completely.4x2 - x - 5
A. (4x + 1)(x - 5)
B. (4x - 1)(x + 5)
C. (4x - 5)(x + 1)
D. (4x + 5)(x - 1)
Answer: C
Mathematics
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Simplify the expression. Assume that all variables are positive when they appear.
? 
A. 6 B. -2x C. 5x D. 6x2
Mathematics
Find the LCM of the set of numbers.18, 19
A. 37 B. 19 C. 342 D. 171
Mathematics
Find the second derivative of the function.s = 
A. 
= 5t4 - 
- 
B. 
= 20t5 + 
+ 
C. 
= 5t3 - 
- 
D. 
= 20t3 + 
+ 
Mathematics
The auxiliary equation for the differential equation 
is
Select the correct answer.
?
A. 
B. 
C. 
D. 
E. 
Mathematics