The boiling point (at atmospheric pressure) of Ammonia is -28 1/10 °F and of Propylene is -53 9/10 °F. What is the difference in their boiling points? A. -82 °F
B. 25 4/5 °F
C. -81 4/5 °F
D. 26°F

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The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

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)) =

Find the missing variable for a parallelogram: a = latex: 28in^2 28 i n 2 h = b = 6.3 in (1in=2.54cm)