Please answer a lot points rewarded every thing you need to answer is in picture

To which set of numbers does the number –5 belong? select all that apply. integers natural numbers rational numbers real numbers whole numbers

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?

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents