I have 25 coins, which are all pennies, nickels, dimes, or quarters. The total value of the coins is $3.53. If I doubled the value of
the coins, the total value would increase to $4.33. How many quarters do
I have?

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

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 all solutions for 2y - 4x =2 y = 2x + 1 site: socratic.org