Answer:
9x^2-3x+4
Step-by-step explanation:
(3x^2+2x^2-5x+7)+(4x^2+2x-3)
5x^2-5x+7+4x^2+2x-3
5x^2+4x^2-5x+2x+7-3
9x^2-3x+7-3
9x^2-3x+4
Answer:
b is the answer
Step-by-step explanation:
Answer:
$6250
Step-by-step explanation:
5000 = 80%
5000/80=62.5
62.5*100=6250
Answer:
28800 minutes
Step-by-step explanation:
1 day = 24 hours
20(24) = 480 hours
1 hour = 60 minutes
480(6) = 28800 minutes
