Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Factor the binomial completely. If it is prime, say so.9s2 - 16t4
A. (3s + 4t2)(3s - 4t2) B. (3s + 4t2)2 C. (3s - 4t2)2 D. Prime
Mathematics
Determine whether or not the triangles are similar.
A. Not similar B. Similar
Mathematics
Set up the percent proportion, and write "unknown" for the value that is not given. Recall that the percent proportion is 
= 
. Do not try to solve for any unknowns.101% of what is 61?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Find the domain of f(x).f(x) = ?2x - 3?
A. ? the set of all real numbers
B. {x? x is a real number and x ? 3}
C. 
D. 
Mathematics