The amount troy charges to mow a lawn is proportional to the time it takes him to mow the lawn. troy charges $30 to mow a lawn that took him 1.5 hours to mow. which equation models the amount in dollars, d, troy charges when it takes him h hours to mow a lawn? a. d = 20h b. h = 20d c. d = 45h d. h = 45d

Someone answer asap 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)) =

Abox holds 500 paperclips. after a week on the teacher's desk 239 paperclips remained. how many paperclips were used?

Is it possible for brooke to draw a square and a rhombus that are congruent explain