Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the determinant.
A. 18 B. -30 C. -18 D. 0
Mathematics
A 100 ohm resistor has 20 mA of current flowing through it. The voltage across the resistor is:
a. 0.002 V b. 0.02 V c. 2.0 V d. 200 V e. 5000 V
Mathematics
Answer the question.What type of figure is formed by joining the midpoints of adjacent sides of a parallelogram?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Rationalize the numerator and simplify.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics