a scientist has two solutions which he has labeled solution A and solution B. each contains salt. he knows that solution A is 70% salt and solution B has 95% salt. he wants to obtain 180 ounces of a mixture that is 80% salt. how many ounces of each solution he use.

Find the midpoint m of z1=(8+5i) and z2=(12+3i)

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)) =

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?