Point T has coordinates (5,4). If you rotate T 90° about the​ origin, (0,0), what are the coordinates of T​?

What is the value of f(x) = 2.2 for f(-2)?

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 a revenue in total for a month was $9,950, fixed expenses were $9,000, and variable expenses were $300 what would be the total profit/ loss for the month?