Mr. Mole left his burrow that lies below the ground and started digging his way at a constant rate deeper into
the ground.
Let y represent Mr. Mole's altitude (in meters) relative to the ground after 3 minutes.
Which of the following could be the graph of the relationship?

Which equation represents a circle with a center at (–3, –5) and a radius of 6 units? (x – 3)2 + (y – 5)2 = 6 (x – 3)2 + (y – 5)2 = 36 (x + 3)2 + (y + 5)2 = 6 (x + 3)2 + (y + 5)2 = 36

Write and solve a real word problem that involves determining distance on a coordinate plane

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.