A factory produces 80,000 marbles each day. They produce equal quantities of four colors: red, yellow, orange, and blue. The marbles are mixed together during the packaging. What is the probability that a randomly selected marble is orange?

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?

George is putting trim around his rectangular deck, including the gate. he will need 44 feet of trim to do the entire deck. if the deck is 13 feet long, how wide is the deck?

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?