Gena wants to estimate the quotient of -21.87 divided by 4.79. Which expression shows the best expression to estimate the quotient using front-end estimation?
O-21-4
-21-5
O-20-4
-20+5

Write a story that matches with the expression 42x-5 pls hurry

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.

The weekly revenue for a company is r = 3p^2 + 60p + 1060, where p is the price of the company's product. what price will result in a revenue of $1200.