A store has a 30 % sale on all items (x). For customers with a discount card, the store takes off an additional 10 % at the cash register. Write a price function S(x) that computes the final price of the item in terms of the original price x.

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,

answer: can you give the

step-by-step explanation:

i think it will be 4feet long of what i comprehend