4. (01.04 MC) Solve for x: 4x + 1(2x + 4) > 12 (1 point) 2 Ox> 1 14 15. Ox 2 x < 2​

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)

Determine the solution for mc001-1.jpeg

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.