Answer:
D
Step-by-step explanation:
it does not make sense for someone to be 9 meters tall (around 30 ft)
Answer:

Step-by-step explanation:
Convert the mixed number into an improper fraction:

Now convert fractions so that their denominators are the same:

As the denominators are now the same, we can simply add the numerators:

Now convert back into a mixed number (if required):

Answer:

425 pounds or less can be added after the student and football player.
Step-by-step explanation:
let x = remaining weight
(note that >/= is greater than or equal to.)
800 - 280 - 95 >/= x
425 >/= x