Answer:
-12a + 4b - 8c + 18
Step-by-step explanation:
To do this, you will need to use the Distributive Property. Multiply the number outside of the parenthesis by the terms inside of the parenthesis.
-2(6a - 2b + 4c - 9) becomes:
-12a + 4b - 8c + 18
600 620 640 660 680 700
!____!____!___!___!_____!
Answer:

Step-by-step explanation:
We are given the two functions:

And we want to find:

So, by substitution, we acquire:

Distribute:

Simplify:

3(.80)+1.20= 3.60
3.60+1.40= 5
Annette gave the clerk $5
Answer:
5 2/7
Step-by-step explanation:
3 + 1 = 4
3/7 + 6/7 = 9/7 = 1 2/7
1 2/7 + 4 = 5 2/7