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

Which statement best describes a square? a. a special rectangle that has four right angles b. a special trapezoid that has four sides of equal length c. a special rectangle that has four sides of equal length d. a special trapezoid that has four right angles

Simplify -4z+2y-y+-18z a.-22z+y b.-14z+2 c.3y+22z d.y +14z

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b