Say Ethan is _ _ _ _ . figure out that word and answer the question .

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.

Factor the polynomial expression x6 – x3 – 20

Similarly fie each expression 18,19,20