There are 20 students in the class.
The Exact Form : 1/2
Decimal Form : 0.5
X - Ollie's age
8 is subtracted from Ollie's age = x-8
the result is the same as
subtracting 16 from 3 times his age = 3x-16

Ollie is 4 years old.
Answer:
Rectangle
Step-by-step explanation:
According to this grapher that I am using it shows a rectangle using your coordinates
Please give brainliest