80 cuz if u look after 7 it's 6 if it's 5 or bigger than 5 u round it u if it's not u put 0 i hope this helps=)
Answer:
w(-9) = 86
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
Step-by-step explanation:
<u>Step 1: Define</u>
w(n) = n² + 6
w(-9) is n = -9
<u>Step 2: Evaluate</u>
- Substitute: w(-9) = (-9)² + 5
- Exponents: w(-9) = 81 + 5
- Add: w(-9) = 86
The answer is D. a counterclockwise rotation of 90 degrees
Answer:
A= 4
sq. unit
Step-by-step explanation: