Answer:
DOWN BELOW
Step-by-step explanation:
1)5
2)9
EXPLANATION FOR NUMBER 3
-21=0.07z
We move all terms to the left
-21-(0.07z)=0
We add all the numbers together, and all the variables
-(+0.07z)-21=0
We get rid of parentheses
-0.07z-21=0
We move all terms containing z to the left, all other terms to the right
-0.07z=21
z=21/-0.07
z=-299+0.07/0.07
4)NEGATIVE 6 (I THINK)
Which of the following expressions are equivalent to
I THINK IT IS NONE OF THE ABOVE
