Water goes over niagara falls at the rate of 180 million cubic feet every 1/2 hour. how much water goes over the falls in 1 minute? answer in proportions

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

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)) =