Determine whether the following graph represents a function.

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17

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.

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left