Recycled cds incorporated, offers a choice of 5 used cds for $20, with each additional cd costing $6. write a cost function for purchasing 5 or more cds. what will the cost of buying 15 cds be ? let x represent the number of cds over 5.

Write and solve a real word problem that involves determining distance on a coordinate plane

What is 1/3x5 on anuber line what does it look like on a number line

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0