Answer:
-3
Step-by-step explanation:

Answer:
60º
Step-by-step explanation:
The interior angles of a triangle equals 180º. And 60+60+60=180, that is your answer.
Answer:
A
Step-by-step explanation:
Remember domain is input and range is output.
Input: All real numbers
Output: [0, infinity)
A
Answer:
z' (-9,2)
Step-by-step explanation:
I recomend using desmos to show the relashinship
If you don't want to, thwn do this
Preimage
Since we are finding z, we only use the final cordinates
z'=(-9,2)