For the first question the answer would be the first quadrant
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(-3)^2 = 9
-3^2 = -9
Hope this helps!
Its 123tttttwwwwwwwwwwwwwwwwwwwwwwwwwwwww
I can’t answer this question because I can’t see the model
First, you must change all of this into improper fractions, like shown below.

Now you must change the sign.

Then we must reciprocalize 2/3.

Now we multiply, to get 2 4/10.