Two milliliters of acetic acid are mixed with 38 mL of water. What is the concentration of this solution?
A. 10%
B. 2%
C. 5%
D. 5.3%
Answer: C
Mathematics
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Water freezes at 0 degrees Celsius, which is the same as 32 degrees Fahrenheit. Water boils at 100 degrees Celsius, which is the same as 212 degrees Fahrenheit.
?
A: Find a formula that gives Celsius temperature 
as a linear function of Fahrenheit temperature 
.
?
B: What is the slope of the formula you found in part A? Be sure to include proper units.
?
C: Explain in practical terms the meaning of the slope you found in part B.
What will be an ideal response?
Mathematics
Perform the indicated operations and write the result in standard form.4
+ 5
A. -28i
B. -28
C. 28
D. 28i
Mathematics
Decompose into partial fractions.
A. 
- 
B. 
- 
C. 
+ 
D. 
- 
Mathematics
Simplify.
- 
A. 
B. 
C. 
D. 
Mathematics