Which expressions are equivalent to the given expression? y^-8y^3x^0x^-2

1.) x^-2y^-5

2.) 1/y^24

3.) x^2y^-11

4.) x^2/y^11

5.) y^-24

6.) 1/x^2y^5

I hope this makes sense but I don’t understand it

Zack notices that segment nm and segment pq are congruent in the image below: which step could him determine if δnmo ≅δpqr by sas? (5 points) segment mo ≅ segment qr segment on ≅ segment qp ∠ n ≅ ∠ r ∠ o ≅ ∠ q