2x-3(1-x)+7=5x need it asap for math

What is the 12th term of b(n)=-4-2(n-1)

The monetary value earned for selling goods or services to customers is called a.) revenue b.) assets c.) money d.) accounting

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.