PLEASE HELP 10 MIN LEFT HELP ASAP 20 POINTS

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?

Susie wants to take her friend out for lunch.she wants to spend $9.75 each person. how much will she spend in all.

What is the distance between (3,k+1) and (2k,k-1)