Find the exact value of the expression.cot 60°
A. 1
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.Given that 
= 
,evaluate 
A. 
B. 
C. 
D. 
Mathematics
In chemistry the formula of pH is: pH= -log[H+] where H+ is the concentration of the hydrogen ions. A mixture of acetic acid has a pH of 3.4. Find the concentration of hydrogen ions in the mixture.
What will be an ideal response?
Mathematics
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = 
+ 5
A. 
B. 
C. 
D. 
Mathematics
Solve the double inequality.-20 < -5a ? 0
A. 0 ? a < 4 B. -4 < a ? 0 C. 0 < a < 4 D. 0 ? a ? 4
Mathematics