Cristina uses a ruler to measure the length of her math textbook. she says the book is 4/10 meter long. is her measurement in simplest form? if not what is the length of the book in simplest form?

The line containing the midpoints of the legs of right triangle abc where a(-5,5), b(1, 1), and c(3, 4) are the vertices.

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.

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?