Please help I have to turn this in like 30 minutes and I still have other assignments that need to be turned in at the same time please no fake answers I really need this and I'm awful at this stuff

Divide. write in simplest form 41/6 divided by 10

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.

Which expression is the factorization of x^2+10+21