if you know any of the 6 questions pls answer :)​

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?

Which data set has a greater spread? why? set a: {38, 12, 23, 48, 55, 16, 18} set b: {44, 13, 24, 12, 56} has a greater spread because .

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers