HELLLPPPPPPPPP!!!!!!!!!!!!!!!!!!!! PLZZZZZZZ!!!!!!!!!!!!!!!!!!!!!!!! I BEG OF YOU! I NEED THE ANSWERS TO ALL OF THESE! ToT

Answer:
Step-by-step explanation:
please give me brainliest
Answer:
1.) 6c^(2)-11c
Step-by-step explanation:
2.) 4z+3e+5
5.) x-3
I am not to sure on question 4