Can someone help me Click on the picture please

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

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.