Needing with these problems! i have tons!

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?