How many sofas must be sold in order to have a profit of $12,000?
P(x)= 750x-(600x+4500)

If lmn=xyz, which congruences are true by cpctc? check all that apply

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd