HELP NEEDED PLEASE PLEASE

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

Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.

Jim had 15 minutes to do 5 laps around his school what would his time be