Recognize the elementary row operation used and determine the missing entry.
? 
A. - 
B. 
C. 4
D. -4
Answer: B
Mathematics
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Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
Mathematics
= 
A. 0.5 g B. 2.5 g C. 5 g D. 0.25 g
Mathematics
Provide an appropriate response.An investment is growing at an effective rate of 12.4%. If the amount invested is currently $12,000, what will the amount be in 6 years?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Add or subtract as indicated.-2.4 + (-7.7)
A. 10.1 B. 5.3 C. -5.3 D. -10.1
Mathematics