If i is a normal variable: then it is -30i^2 - i*j + 20j^2
If i is the constant i, then it is 20j^2 -i*j + 30
%75 I guess unless this is like highschool math
Answer:
y=3x
Step-by-step explanation:
y=mx+b, m is slope, b is y-intercept
Answer:
220
Step-by-step explanation:
Area of square=8*20=160
Area of triangle=(6*20)/2=60
160+60