Answer:
A closed circle on the number line indicates that the boundary point is included in the solution set
Step-by-step explanation:
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You mean (7mn)^2, if so...
(7*3*-2)^2
-42^2=1764
Answer:
14
Step-by-step explanation:
k = 10 + - 24
k = -14
Answer:
Lower and upper quartiles
Step-by-step explanation:
The box starts at lower quartile, ends at upper quartile
Discriminant b^2-4ac = (-9)^2 - 4*2*9 = 9
so there are 2 roots
because of the -9x and 9 they will both be positive
