For the given function and domain, draw the graph and identify the range using the same notation as the given domain.
The questions I want answered is 9-10 if you could explain as well that would be great it not it is fine. It is algebra 2

The weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1387 grams and standard deviation 161 grams. what is the probability that a randomly selected broiler weighs more than 1,425 grams?

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

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?