Mrs. Gomez has two kinds of flowers in her garden. The ratio of lilies to daises in the garden is 5:2
If there are 20 lilies, what is the total number of flowers in her garden?

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

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)) =

I'm confused on this could anyone me and show me what i need to do to solve it.