Sam is 3 years younger than marco. marco is 15 years old. how old is sam?
let x represent sam's age
(there are 2 correct answers)

x + 15 = 3

x + 3 = 15

15 / x = 3 < < the slash is divided

3 x = 15

15 - x = 3

The graph shows the distance kerri drives on a trip. what is kerri's speed?

Simplify (2^5/3^2)^4 a. 2^20/3^8 b. 2^9/3^8 c. 8^5/12^2 d. 2/3^2

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)) =