A hot air balloon is rising at a constant rate. The relationship between its height above the ground and the time since it left the ground is shown in the following graph. Which statements about the graph are true? Choose all answers that apply: A The point (0, 0) shows that the hot air balloon is free to ride. B The point (2, 40) shows that the hot air balloon is at a height of 2m after 40 seconds. C None of the above

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.

maya’s expression will generate the wrong sum because she violated the commutative property.

step-by-step explanation:

what are the

step-by-step explanation: