PLEASE HELP Select the correct answer. Which number best represents the slope of the graphed line? ya +10 10 5 10 -10

Can someone check if i did this correct. it’s number 4 if you’re wondering.

The triangles in the diagram are congruent. if mzf = 40°, mza = 80°, and mzg = 60°, what is mzb?

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