Use Gauss's approach to find the following sums (do not use formulas) a. 1+2+3+4+...+99
b. 1+3+5+7+...+1001

a. The sum of the sequence is

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)) =

How much orange juice do you need to make 2 servings of lemony orange slush?

Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-5