What is the SI unit used to measure weight?
a: kilograms
b: newton's
c: pounds
d:liters

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

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)) =