All I need is the answer. If you are correct you will be marked brainiest. Will give 20 points again lol. Has to be right

Alonso walked with his friend andy one day, and wanted to compare their speeds. alonso walked 3 miles in one hour, and andy walked 2 miles in 2 hours. complete the table to graph the relationship for each person.

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?