Given the linear regression equation y=−8.5x+99.2 when the length, y, of the rope after tying x knots.
Explain what the y-intercept means in the context of the problem. Explain what the slope means in the context of the problem.

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it.how many multiple-choice questions are on the test?

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.

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10