Answer:
Pretty sure it would be the last one.
Not sure if you want me to do the work. All I can say is that it would be<em> very long.</em>
Answer:
Mark talked on the phone for 120 minutes.
Step-by-step explanation:
18 - 12 = 6
6 ÷ .05 = <u>1</u><u>2</u><u>0</u>
Answer:
257
General Formulas and Concepts:
Order of Operations: BPEMDAS
Step-by-step explanation:
<u>Step 1: Define</u>
2x² + 5x + 7
x = 10
<u>Step 2: Evaluate</u>
- Substitute: 2(10)² + 5(10) + 7
- Exponents: 2(100) + 5(10) + 7
- Multiply: 200 + 50 + 7
- Add: 250 + 7
- Add: 257
