Dara went on vacation to new york city 2012. she bought a $20 pass to ride the subway . each time she rode the subway it cost her $2.25 . if she rode the subway 7 times , how much money was left on her pass at the end of her trip ?

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv