Provide an appropriate response.True or False? The graph of y = c, where c is a real number constant, is a line parallel to the 
A. False
B. True
Answer: A
Mathematics
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Use the pH scale to answer the question.What is the pH of a solution with a hydrogen ion concentration of 0.00001 mole per liter? Is this solution an acid or a base?
A. pH = 7; neutral B. pH = 6; acid C. pH = 8; base D. pH = 5; acid
Mathematics
Translate the word statement into a percent proportion. Do not solve.What number is 132% of 21?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Find the domain of the given function.f(x) = 
A. all real numbers x where x > -7
B. all real numbers x where x ? -7
C. all real numbers x where x > 
D. all real numbers x where x ? 7
Mathematics
Find the square.(m - r)2
A. m2 - 2mr + r2 B. m2 + 2mr + r2 C. m2 - 2mr - r2 D. m2 - mr + r2
Mathematics