Answer:
result bellow
Step-by-step explanation:
b= -4.
.
.
.
.
.
.
If you have some thing like x^2 + x + x^3 + x^2 the correct order would be x^3 + x^2 + x^2 + x.
B
x=2 skdkdjjwwoananaanausid
So the pencils all together would be $6 so divide that by 3 and you get D as your answer each pencil costs $2
Seeing you don't have a graphing calculator, use the web, there are many websites dedicated to different calculators