Solve.The equation of a line is y = - 9x. What is the slope of a line parallel to it?
A. 0
B. 
C. - 
D. - 9
Answer: D
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Find the standard deviation of the data.The normal monthly precipitation (in inches) for August is listed for 12 different cities. Find the standard deviation. Round to the nearest hundredth.3.5 1.6 2.4 3.7 4.1 3.91.0 3.6 4.2 3.4 3.7 2.2
A. 12.03 in. B. 1.00 in. C. 1.09 in. D. 1.05 in.
Find the standard form of the equation of the following conic section.center (-2.7, 0); r = 6
A. (x - 2.7)2 + y2 = 6 B. (x + 2.7)2 + y2 = 36 C. (x - 2.7)2 + y2 = 36 D. (x + 2.7)2 + y2 = 6
Determine whether the statement is true or false.
?
If f(x) = x + 1 and g(x) = 5x, then
.
?
A. False B. True
Solve the following percent equation. ? 460 is what percent of 2,000? (Round the answer to unit digit.) ?
A. 23% B. 24% C. 21% D. 25% E. 22%