Answer:
Step-by-step explanation: 4y+8=9 is an equation. 3-2 is an expression. 7y<6 is an inequality!
Y2-y1/x2-x1. so -7-8/-1-(-1)= -15/1
Answer:

Step-by-step explanation:


cross out the common factor.

Answer: 300
Step-by-step explanation: you first multiply 5 and 6 that is 30. Then you multiply the product by 100 that is 300