One number exceeds another by 1. the sum of the numbers is 21. what are the numbers

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?

Which expression is rational? 6. , square root two, square root 14, square root 49

Carlos by 24 mi and ran 6 miles what is the ratio of the distance carlos ran to the distance he biked