Simplify.
A. 
B. - 
C. 
D. - 
Answer: B
Mathematics
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Evaluate the integral by making a substitution and then using a table of integrals. 
A. 
- 2 ln
+ C
B. 4 sin-1
- 
+ C
C. 4 sin-1
+ x
+ C
D. 4 sin-1
- 
+ C
Mathematics
Determine which is the better buy.A 38 oz bag of flour for $12.92 or a 2 lb., 8 oz bag of flour for $12.00.
A. 2 lb., 8 oz bag of flour for $12.00 B. 38 oz bag of flour for $12.92 C. Not enough information D. Equal value
Mathematics
Determine whether the statement is true or false.10 ? 13
A. False B. True
Mathematics
Use the substitution method or the elimination method to solve the system. If the system has infinitely many solutions, express the ordered pair in terms of x or y.
x + 
y = 4
x + 
y = 2
A. 
or 
B. (0, 12)
C. 
D. no solution
Mathematics