Kelly has 2 times as many quarters as dimes. She has 18 quarters. How many dimes does she have?

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

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