Old MacDonald has 1000 chickens and cows altogether in the barnyard. In all there are 2820 feet. (a) Write the linear equation used to calculate the number of chickens and cows in the barnyard? (b) How many chickens and how many
cows does Old MacDonald have in the barnyard?

Can anyone me with 32,33,36,37,and 40.

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)) =

Sam is picking fruit from a basket that contains many different kinds of fruit. which set of events is independent?