John bought 4 pounds of hot dogs for his party. how many ounces of hot dogs did john buy?

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

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.