Zachary purchased a computer for $1,200 on a payment plan. seven months after he purchased the computer, his balance was $500. eight months after he purchased the computer, his balance was $400. what is an equation that models the balance y after x months

1. what is the measure of ∠abc? what is the measure of ∠abd?

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.

Ming says that 0.24 > 1/4 because 0.24= 2/4. which best explains mings error