Answer:
128° because it is corresponding with <4

Answer:
im sorry i have no idea
Step-by-step explanation:
Fy = 2 because we derivate in raport witw y and x is like a constant;
fyx = 0 because we deivare in raport with x.
Answer:
y = 300x + 2200
Step-by-step explanation:
y = 300x + 2200