Find an equation for the ellipse described.Center at (0, 0); focus at (-2, 0); vertex at (5, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: C
Mathematics
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Suppose that f satisfies the equation of change 
. The initial value of f is 3. Make a graph of f. Use a horizontal span of 0 to 5.
What will be an ideal response?
Mathematics
Multiply or divide.
A. -0.8 B. -7.2 C. 0.8 D. 7.2
Mathematics
Use the preference table to answer the question.Four students are running for president of their residence hall: Debra (D), Farah (F), Jorge (J), and Hillary (H). The votes of their fellow students are summarized in the following preference table.
Who is declared the new president using the plurality method?
A. Jorge B. Hillary C. Debra D. Farah
Mathematics
Simplify using the zero-power rule.(-4)0
A. 1 B. -1 C. 4 D. 0
Mathematics