Answer:
3. opposite
30°
4. 50° + 30° + 2x = 180°
80° + 2x = 180°
2x = 100°
D
Step-by-step explanation:
Answer: B is reasonable
Step-by-step explanation: In 4 hours, you hike 10 miles. Divide 10 miles by 4 hours to get miles per hour, which is what you want to solve for in this problem. 10 divided by 4 is 2.5, which means you can hike 1 mile in 2.5 hours.
