Find the discriminant and the number of real roots for this equation.
4x2 + 12x + 9 = 0
a. -144; one real root
b. -144; no real roots
c. 0; one real root
d. 0; two real roots

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)) =

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120

Consider the image of klmn for the translation (x, y) → (x – 2, y – 1). what is the ordered pair of l′?