The chinese invented the to fishermen and explorers return to their ports. a. telescope b. steam engine c. abacus d. compass

Problem fathi wants to print out a pdf document that is 48 pages long. to save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet. how many sheets of paper will he need?

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?