Will Give 40 bucks in paypal and brainlist if answers are correct

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

Determine which postulate or theorem can be used to prove that lmn =nmo

The host of a game show is holding a bag with chips to see what prizes the contestants will play for. five (5) of the chips say “new car” ten (10) of the chips say “new tv” three (3) of the chips say “trip to france” contestant named “patty” reaches into the bag. a. what is the probability of choosing a tv chip? b. what is the probability of choosing a car chip next without replacing the 1st chip? c. are these dependent or independent events?