An item has a regular price of $40 at three different stores. each store has a different offer for the item. store a is offering 20% off the regular price of the item. store b is offering a $10 mail in rebate when you buy the item at regular price. store c is offering a coupon for $10 off the regular price of the item. which store is offering the best deal?

D(5, 7). e(4,3), and f(8, 2) form the vertices of a triangle. what is mzdef? oa. 30° ob. 45° oc. 60° od 90°

If the tip varies directly with the number of guest which equation represents between the tip,t, and the number of guest,g?

Me with this assignment ! i only partially understand, so explain. also it's a work sample. at the championship bike race, steve and paula were fighting for first place. steve was 175 feet ahead of paula and had only 300 feet left to go. he was very tired and was going only 9 feet per second. paula was desperate to catch up and was going 15 feet per second. who won the bike race and by how far did she/he win?