What is 108,981 divided by 5,999

Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0

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.

Using elimination, what is -4x+2y=-12 4x+8y=-24