An arithmetic sequence is defined by the recursive formula t1=9,tn -1 where n en and n > 1. The sequence is A) -9, 13.-17, -21.-25.-29.
B) -9,-4-8, 12, 16, 20,...
C) 9.-4, -8-12. -16, -20..
D) 9.5, 1.-3.-7, -11,

Someone answer this asap rn for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =

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?

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost