Step-by-step explanation:



The circumference of the circle is 56.52 km which is letter choice B.
Answer:

General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Step-by-step explanation:
<u>Step 1: Define</u>
<u />
<u />
<u />
<u>Step 2: Evaluate</u>
- Evaluate Exponents:

- Evaluate Multiplication:

- Evaluate Subtraction:

Answer:
15
Step-by-step explanation:
30 / 2 = 15
Mc012-2.jpg ........................ 10/90%= 11.1111111111111
Ac is 20cm and an is 5 cm u jus have to add them together