WILL VOTE BRAINLIST IF RIGHT! Reduce to simplest form.
\dfrac{8}{3}+\left(-\dfrac{9}4\righ t)=
3
8
​
+(−
4
9
​
)=start fraction, 8, divided by, 3, end fraction, plus, left parenthesis, minus, start fraction, 9, divided by, 4, end fraction, right parenthesis, equals

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step-by-step explanation:

step-by-step explanation:

yes it represnts a functio, their are not 2 of the same numbers on the both sides

i believe it's a.

i'm not sure on this one, most likely correct.

180°

step-by-step explanation:

sum of equilateral triangle=180°

< n=60°

< m=120°°[angle supplementary of equilateral angle]

< m+< r+< x=360°(sum of exterior angle of triangle)