Provide an appropriate response.If a fraction with denominator 
must be written as an equivalent fraction with denominator 
then the original fraction must be multiplied by (x - 7)2 in both the numerator and the denominator.
A. True
B. False
Answer: B
Mathematics
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Solve the problem.In chemistry, the pH of a substance is defined by 
where 
is the hydrogen ion concentration in moles per liter. Find the 
of a sample of lake water whose 
is 3.05 × 10-9 moles per liter. (Round to the nearest tenth.)
A. 10.1 B. 8.5 C. 6.4 D. 7.3
Mathematics
Provide an appropriate response.
= 
. Which method did you use to determine whether this proportion is true or false?
What will be an ideal response?
Mathematics
Sketch the graph of the equation.y = 3x + 3 
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.4x = 15
A. 
B. 
C. 
D. 
Mathematics