Respuesta :

When we simplify, we use PEMDAS to show us what to do first.

Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction

9 + 1.34 + 12(3.5+1.74) 

9 + 1.34 + 12(5.24)

9 + 1.34 + 62.88

= 73.22

Answer:

First, add the decimals in the parentheses. Next, multiply that number by 0.5. Finally, add all the decimal numbers.

Step-by-step explanation:

this is the sample reponse