Mary buys last year's best-selling novel, in hardcover, for $18.00. this is with a 25% discount from the original price. what was the original price of the novel?

W-16=-12 solve each one step equation plz

Ametal rod is 2/5 meters long. it will be cut into pieces that are each 1/30 meters long. how many pieces will be made from the rod?

Two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: what is the approximate distance, in feet, between the two poles? 6.93 feet 8.66 feet 12.32 feet 15.59 feet