Triangle ABC has the following vertices: • A(7,-2)
• B(-1,-8)
• C(5,0)

Is triangle ABC an isosceles triangle, and why?

Choose 1

A. Yes, because AB = BC.

B. Yes, because AC = BC.

C. No, because AC is longer than AB.

D. No, because ABC doesn't have a pair of sides with equal lengths.

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)) =