please answer correctly! This has 2 slides of questions but please answer correctly. I need this <3 :)

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

The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?

Is the response to the survey question "did you smoke in the last week question mark "response to the survey question "did you smoke in the last week? " a discrete random variable, a continuous random variable, or not a random variable?