Ahomeowner called in a painter to paint the walls and ceiling of one bedroom. his bedroom is 18ft. long, 12 ft. wide, and 8 ft. high. the room has two doors, each 3 ft. by 7ft. and three windows each 3ft. by5 ft. the doors and windows do not have to be painted. a gallon of paint can cover 300ft2. a hired painter claims he will need 4 gallons. show that his estimate is too high.

Which of the following of the following sets of side lengths could not form a triangle?

How do i do this? i don’t understand

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)) =