Add or subtract as indicated.(6a + 6) + (5a + 9)
A. 11a + 15
B. 30a2 + 54
C. 11a - 15
D. 11a2 + 15
Answer: A
Mathematics
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Graph the solution set of the system of inequalities.y ? 2x - 2x + y ? 3
A. 
B. 
C. 
D. 
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Use differentiation to determine whether the integral formula is correct.
dx = 
+ C
A. No B. Yes
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Sketch the graph of 
.
?
A. ?
B. ?
C. ?
D. ?
?
E. ?
Mathematics
Solve the problem.In a chemistry class, 8 liters of a 4% silver iodide solution must be mixed with a 10% solution to get a 6% solution. How many liters of the 10% solution are needed?
A. 4.0 L B. 5.0 L C. 3.0 L D. 8.0 L
Mathematics