Idk if u can answer this but whatever, Explain what it means to "pay 3% interest." Who pays it? Who do they pay it to? Why do they pay it?

The depreciation per unit for a company

Jessica and martha each have a bag of cookies with unequal quantities. they have 30 cookies total between the two of them. each of them ate 6 cookies from their bag. the product of the number of cookies left in each bag is not more than 80. how many more cookies will jessica have martha? if x represents the number of cookies jessica started with, complete the statements below.the inequality that describes the relationship between the number of cookies each one of them has is x^2 - x +224 > = 0.jessica has at least cookies more than martha.

Could somebody me with this radical simplification?