4200 and 2100 simplified to there lowest terms

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?

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250

Which of the following will form the composite function?