An airliner travelling from Paris to Toronto took 7 h to cover the 6300 km trip with a tailwind. The return trip, travelling against a headwind took 9 h. Find the wind speed and the average speed of the plane?

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)) =

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal

What is fraction that is equivalent to 3/8