Lines e and f are parallel. The mAngle9 = 80° and mAngle5 = 55°.which angle measures are correct ? Select three options . A. M<2= 125
B. M<3= 55
C. M<8= 55
D. M<12= 100
E. M<14= 100

Of four points are collinear, they are also coplanar

Can someone me with this problem . show your work .

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)) =