7 is just adding.
8 is counting by odd numbers.
9 is a rotation
You did not add the paragraph
That's the Distributive Property
You multiply whatever is outside of the parenthesis with everything in the parenthesis. That's why when you multiply a with everything in the parenthesis (b + c), it becomes a*b + a*c.
Answer:
Step-by-step explanation:
8 ≤ x < -1.