Yand x have a proportional relationship, and y = 15 when x = 3. what is the value of x when y = 4?

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

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.