I’m not sure if this is a question, but yes, i like to use “PEMDAS”.
Parentheses, exponents, multiply, divide, add, subtract.
You always go in order from left to right!
Area = 1/2 x base x height
Area = 1/2 x 9 x 4
Area = 9 x 2
Area = 18 cm^2
With the symbols given us the symbol for ten and use the symbol for zero 3 times
Answer: (7,3)
Step-by-step explanation:
