PLEASE HELP AND EXPLAIN

Determine the next term in the sequence. then write the next 2 terms 4,16,28, what number do you do to get that?

It takes jonas 7 1/4 minutes to run the mile. it takes mario 8 5/12 to run the mile. how much faster is jonas than mario? 5/6 minute 1 1/3 minutes 1 1/6 minutes 1 1/2 minutesi will give points and brainlest

I’m still confused on how to work the percentages