Answer:
The inequality that represents this situation is: 
Step-by-step explanation:
Since the plane already had 140 pounds on board and "n" boxes will be loaded on it, then the weigh of each box multiplied by the number of box should be the extra cargo on the plane. This extra cargo added to the previous load must be less than the limit of cargo the plane can take as shown below:

Answer:
40
Step-by-step explanation:
add 21 + 20
hope this helps :)
The slope represents the how fast the bird is climbing and the Y intercept represents where the bird started to climb
Answer:
x=3
Step-by-step explanation:
Absolute value of -3 is three, and then it just regular -3 equals -3 so basically whenever you see at -3 in those brackets or any negative number it means absolute value which will always be it’s positive version That negative number