in the diagram a b, b c ,a c, c d + 80 equal 12 supposed to choose one of the segments at random what is the probability that the measure of the segment is greater than 3​

Rachel reads 1/5 of the pages of a book plus 12 pages on the first day. on the second day, she reads 1/4 of the remaining pages plus 15 pages. on the third day, she reads 1/3 of the remaining pages plus 18 pages. on the fourth day, she reads the remaining 70 pages. how many total pages are in the book?

In two or more complete sentences, determine the appropriate model for the given data and explain how you made your decision. (1,-1), (2,0.5), (5,1.5), (8,2)

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?