At a college the scores on the chemistry final exam are approximately normally distributed, with a mean of 73 and a standard deviation of 14. The scores on the calculus final are also approximately normally distributed, with a mean of 80 and a standard deviation of 14. A student scored 79 on the chemistry final and 82 on the calculus final. Relative to the students in each respective class, in which subject did the student do better

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

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)) =

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).