The order to us solve is:
- Parentheses
- Multiplication
- Sum and subtraction
Let's go:

Therefore, the result is 62.2.
Answer:
a=1/2b, 2a=b
Step-by-step explanation:
Since angle a is 1/2 the size of angle b, a=1/2b and b=2a. In order to get a numeral answer, you need the number of one of the angles.
I think you forgot to add a photo
Answer:
Ok
Step-by-step explanation: