Attached below is a step by step process of arriving at the answer.
Answer:
He can grade 1.25 assignments in 1 minute.
Step-by-step explanation:
Because the teacher can grade 25 assignments in 20 minutes, we can dive 25 by 20 to get the constant rate.

So he can grade 1.25 assignments in 1 minute.
Answer:
When dividing both sides by a negative.
Step-by-step explanation:
When dividing OR multiplying both sides by a negative, we need to flip the inequality signs.
Step-by-step explanation:
Answer is in the picture.
Answer:
answer is 1 x( x-4) ok to mmma abhi tak school ki chuti h or bina kisi ne bhi roka aur wo phle h to time but only a few days after lady Catherine visit the gentleman arrived early in the given it most unwillingly