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.

Aparallel system functions whenever at least one of its components works. consider a parallel system of n components, and suppose each component works independently with probability 0.5. find the conditional probability that component n works given that the system is working

Why do interests rates on loans to be lower in a weak economy than in a strong one

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