HELP PLEASE!! What are the answers, say the answers to the blanks and if you can please try to explain it please i failed algebra 3 times and i really need help

Name the most appropriate metric unit for each measurement like a length of an carrot

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?