Sarah has 25 cookies cookie monster decided to 10 how many cookies does sarah have left do you know how to answer that

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how