2. which of these is the point-slope form of the line through points (3,-1) and (4,9)?
1. y - 4 = 10(x -9)
2. y + 1 = 10(x - 3)
3. y - 3 = 10(x + 1)
4. y + 1 = 10(* - 4)
3. which of these is the point-slope form of the line through point (4,-2), with a slope of 7?
1. y - 4 = 7(x + 2)
2. y + 4 = 7(x - 2)
3. y + 2 = 7(x-4)
4. y - 2 = 7(x + 4)

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)) =

Need solving this 2nd limit problem.

Michael and imani go out to eat for lunch if their food and beverages cost 25.30 and there is an 8% meals tax how much is the bill