The students in mr. nolan's class are writing expressions for the perimeter of a rectangle of side length l and width w. after they share their answers, the following expressions are on the board:
sam: 2(l+w)
joanna: l+w+l+w
kiyo: 21+w
erica: 2w+21

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.

Find the value of ax 4 ; a = 2, x = 1. select one: a. 2 b. 4 c. 1 d. 8

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have