Three plus four times twelve
You will have to follow PEMDAS. Which means you will do what's in the parentheses first. 1+4=5
5^2+3*5 is your new equations.
Next you will do the exponents.
5 Squared is 25.
25+4+5
Then you will do multiplications
25+(3*5)= ?
25+15= ?
25+15= 40.
Answer:
perimeter=(lengths+breadth)×2
in this case its a square with 9 cm length
9+9×2
18×2
36 its ez
83.21.....................