Answer the photo below thanks

What is the average rate of change for this function for the interval from x=2 to x=4 ?

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?

Alina fully simplifies this polynomial and then writes it in standard form. xy2 – 2x2y + 3y3 – 6x2y + 4xy2 if alina wrote the last term as 3y3, which must be the first term of her polynomial in standard form? xy2 5xy2 –8x2y –2x2y