5/9. 5 out of the 9 sections on the spinner are odd (not even) so there is a just over half chance of landing on an odd number, assuming that the weighting, wind, and other factors are equal.
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He made a mistake in step #2. It seemed to be a trivial mistake because it involved signs, but it still had a great impact. Since step#2, his solution was already wrong.
Instead of
(-1)²-4(2)(-6) = 1 + 48 = 49
What he did is
(-1)²-4(2)(-6) = -1 + 48 = 47
Answer:
Undefined
Step-by-step explanation:
has a slope of 
, since it is a horizontal line. The only types of lines that are perpendicular to horizontal lines are vertical lines, which are usually in the form 
(where 
is any real number). Vertical lines have an undefined slope, so the answer is undefined. Hope this helps!
Answer: D
Step-by-step explanation:
A seems complicated and doesn’t make an sense while D is simple
