Which of the following expressions is equivalent to (x+4)^2

How do you do this geometry problem

The speed of a falling object increases at a constant rate as time increases since the object was dropped. which graph could represent the relationship betweent time in seconds, and s, speed in meters per second? speed of a falling object object over time

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