If you have a distribution of 50 scores, and you want 5 intervals, what should be the size of your class interval?

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?

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

Ineed someone to me answer my question i have to have this done and knocked out