Answer:
A
Step-by-step explanation:
A trinomial can be factored into two binomials, when the discriminant of the trinomial is greater than or equal to 0.
The discriminant for trinomial is he expression
Check all options:
A.
then
Thus,
B.
so this trinomial cannot be factored.
C.
so this trinomial cannot be factored.
D.
so this trinomial cannot be factored.
It would be 8.5^2 because a square has all equal sides
Answer:
5/7 mile per hour.
Divide 2/7 by 2/5 to get to 0.714. After that, convert the decimal to a fraction and you get your answer.
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The answer is the first one. I am pretty sure.