Answer: 4x^3 + x + 1
Step-by-step explanation: Combine like terms.
Hope this helps! :) ~Zane
Half of 2/3 is:

This means that 1/3 was left. This also means that they ate 1/3 of the lasagne.
Model diagram can be seen in attachment.
Answer:
1. 8x^3+6x^2+7
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
It's domain is side from side and so it can't be c or d. and it range goes to a positive number so it has to be B.