Rewrite the following so that only the positive exponents remain, and then simplify.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: C
Mathematics
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Solve the problem.The pH of a solution ranges from 0 to 14. An acid has a pH less than 7. Pure water is neutral and has a pH of 7. The pH of a solution is given by 
where H+ represents the concentration of the hydrogen ions in the solution in moles per liter. Find the pH if the hydrogen ion concentration is 
A. 3 B. -11 C. -3 D. 11
Mathematics
Solve for the missing numbers. Markup is based on cost. Round dollar amounts to the nearest cent.
127% S $ ?
A. 
127% S $ 37.32
B. 
127% S $116.07
C. 
127% S $ 24.13
D. 
127% S $ 64.94
Mathematics
If 
with B in QII, find
?
What will be an ideal response?
Mathematics
Find an equation in slope-intercept form (where possible) for the line.Through (-8, 6), with undefined slope
A. 
x + 6y = 0
B. 
x - 8y = 0
C. y = 6
D. x = -8
Mathematics