Sir you posted question and answer? or are providing examples of preferred format?
Answer:
-1/3
Step-by-step explanation:
y=mx+b where m=slope and b=y-intercept
Answer:
Substitution
Step-by-step explanation:
tbh i havent checked so sorry if its wrong
Answer:
11
Step-by-step explanation:
2(l+w)
40= 2(9+x)
40= 18+2x
Subtract 18 from 40
22=2x
Divide 2x by itself and 22
11=x or x=11
Whats that kinda question