The answer is A, the first one :)
Answer:
16 years old
Step-by-step explanation:
The age of his sister = 12 years old
Gasta is 4 years older than his sister,
The age of Gasta
= 4 + 12
= 16 years old.
Therefore,
Gasta is 16 years old.
Answer: A. Complex
Step-by-step explanation: hope this helps!
lines with undefined slope are vertical
equation are in form of x constant
through the points ( 3 , -4)
the line is x=3