Question

How far apart are the planes?

Answer 1

D. 41 miles

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

1. Brackets
2. Parenthesis
3. Exponents
4. Multiplication
5. Division
6. Addition
7. Subtraction

• Left to Right

Equality Properties

Trigonometry

• [Right Triangles Only] Pythagorean Theorem: a² + b² = c²

Explanation:

Step 1: Define

Leg a = 9

Leg b = 40

Hypotenuse c = d

Step 2: Solve for d

1. Substitute [PT]: 9² + 40² = d²
2. Exponents: 81 + 1600 = d²
3. Add: 1681 = d²
4. Isolate d: 41 = d
5. Rewrite: d = 41