Find the focus and directrix of the parabola.y = 3x2
A. 
, x = - 
B. 
, y = - 
C. 
, y = 
D. 
, x = - 
Answer: B
Mathematics
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Provide an appropriate response.How are the graphs of 
and 
related to the graph of 
In general, how is the graph of r = f(? - ?) related to the graph of 
What will be an ideal response?
Mathematics
Write as a percent.
A. 750%
B. 75%
C. 90%
D. 7
%
Mathematics
Simplify.-|13|
A. 13
B. - 
C. 0
D. -13
Mathematics
Solve the problem, if possible. Round your answer to the nearest tenth, when appropriate.A square has an area of 49 in.2. If the same amount is added to the length and removed from the width, the resulting rectangle has an area of 45 in.2. Find the dimensions of the rectangle.
A. 5 in. by 9 in. B. 5 in. by 10 in. C. 4 in. by 9 in. D. Cannot be determined without additional information
Mathematics