Blake built a rectangular pen in his backyard for his new dog. The width of the pen is 10 feet and the length
is 12 feet. He can find the perimeter of the pen with the
formula P = 2w + 21, where P represents the perimeter
w represents the width and I represents the length.
What is the perimeter of the dog pen?

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.

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?