Rationalize the denominator.
A. 
B. 
C. 
D. A + 
Answer: C
Mathematics
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Solve the problem.Find the hydrogen ion concentration of a solution whose pH is 7.5. Use the formula 
A. -8.75 x 10-1 B. 8.75 x 10-1 C. 3.16 x 107 D. 3.16 x 10-8
Mathematics
Provide an appropriate response.Add the radicals and simplify: 
+ 
A. 
B. 
C. 10
D. 5
Mathematics
The following circle graph displays Chris and Mary Smith's monthly $2900 family budget. Use the circle graph to answer the question. 
How much money is allotted each month for utilities?
A. $550 B. $200 C. $250 D. $1200
Mathematics
Provide an appropriate response.For the joint-cost function c = 5xy(x + y)2 + 8000 (in $), determine the marginal costs 
and 
when 
and y = 5.
What will be an ideal response?
Mathematics