Answer:
B) 81π units²
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Geometry</u>
Radius of a Circle Formula: r = d/2
Area of a Circle Formula: A = πr²
Step-by-step explanation:
<u>Step 1: Define</u>
Diameter <em>d</em> = 18 units
<u>Step 2: Manipulate Variables</u>
Radius <em>r</em> = 18 units/2 = 9 units
<u>Step 3: Find Area</u>
- Substitute in <em>r</em> [Area of a Circle Formula]:                                                       A = π(9 units)²
- [Area] Evaluate exponents:                                                                              A = π(81 units²)
- [Area] Multiply:                                                                                                  A = 81π units²
 
        
             
        
        
        
1 mile  =  1,760 yards
2 miles = 3,520 yards
3 miles = 5,280 yards
4 miles = 7,040 yards
5 miles =  ?
        
                    
             
        
        
        
Answer:
i d k the answer right now but u can use photomath and u will get your answer hope this helped
the answer is -7
 
        
             
        
        
        
See photo for solution and mark me as brainliest if you think i helped!