Simplify the algebraic expression by collecting and combining like terms.(2x - 6y + 4) - 2(-2x + 6y - 4)
A. 6x - 18y + 12
B. -4x + 12y - 8
C. 4x - 12y + 8
D. -6x + 18y - 12
Answer: A
Mathematics
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Evaluate the integral.
A. 
ln
+ 
ln
+ C
B. 
ln
- 
ln 
+ C
C. ln
- ln 
+ C
D. 
ln
- 
ln
+ C
Mathematics
Provide an appropriate response. A measurement of an object is an estimate. Seven different measurements are taken for an object whose exact measurement is 67 cm. These measurements are 67.3 cm, 65.9 cm, 67.1 cm, 68.3 cm, 66.9 cm, 66.9 cm, and 66.4 cm. On the average, what is the difference in the measurement and the exact measurement of the object? Explain your answers.
What will be an ideal response?
Mathematics
Evaluate the integral.
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Solve using the addition principle and/or the multiplication principle.2n - 5 = 5
A. 5 B. 12 C. 7 D. 8
Mathematics