A window manufacturer is plotting 3 window designs on graph paper. Window A has vertices at ( 1 , 1 ) , ( 1 , 11 ) , ( 9 , 11 ) , and ( 9 , 1 ) . Window B has vertices at ( 1 , 1 ) , ( 5 , 8 ) , and ( 9 , 1 ) . Window C has vertices at ( 1 , 1 ) , ( 1 , 5 ) , ( 17 , 5 ) , and ( 17 , 1 ) . Put the windows in order from largest to smallest area.

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

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)) =