A = 2
b = -5
c = 6
The coefficients are 2 and -5
The constant is 6
(13 + 20) + 15 = 13 + (20 + 15)
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