Compute.8 + (-4)
A. 12
B. -4
C. 4
D. -12
Answer: C
Mathematics
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Consider the polar equation  FIGURE 1.png)
(a) Find the eccentricity and an equation of the directrix of the conic. (b) Identify the conic. (c) Sketch the curve. >
Mathematics
Use the bar graph to answer the question.The following graph shows the average starting salary for graduates of five different schools with a degree in mathematics. 
What was the least average starting salary among the five schools?
A. $45,830 B. $51,788 C. $36,414 D. $39,424
Mathematics
Simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics
Find the domain of the function.f(x) = log10 (x2 - 8x + 12)
A. (-2, 6) B. (6, ?) C. (-?, -2) D. (-?, 2) ? (6, ?)
Mathematics