Laura is baking a cake. the recipe says that she has to mix 64 grams of chocolate powder to the flour. laura knows that 1 cup of that particular chocolate powder has a mass of 128 grams. she added two over three of a cup of chocolate powder to the flour. should laura add more chocolate powder to make the exact recipe, or did she go over and by what amount?

Could somebody me with this radical simplification?

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)) =

The length of the line segment ac is 8x-9 what is the value of x