The table shows the number of practice problems completed in 30 minutes in three samples of 10 randomly selected math students. Sample 1: 19,20,18,15,16,14,11,15,16,17, and mean = 16.1. Sample 2 : 14,19,18,15,16,15,19,15,16,17, and mean=16.4. Sample 3: 18, 16, 15,19,15,17,14,15,14,16 and mean = 15.9. Which statement is most accurate based on the data

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.

Im gonna fail 7th grade selective breeding 1. creates offspring which are genetically identical to the parent 2. is the process of breeding only organisms with desirable traits 3. involves the removal of the nucleus of a cell 4. combines traits from organisms of different species

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years