Answer:7
Step-by-step explanation:
A) x= -21/-3
= 7 answer
Answer:
A constant is a number that stays the same. A variable is number that doesn't remain the same.
Answer:
I think the answer would be y<4
Answer:
5!
Step-by-step explanation:
take algebra book. it can be placed first or 2nd or 3rd or 4th or last. so 5 different ways. but geometry book will be arranged in 4 ways, since algebra book is already arranged.

5!/0!= 5! = 120