How do you say foot in german

Er den rasen. a. lest b. liest c. seht d. mäht

Fred wants to make brownies to make brownies he needs 2 ÷ 3cups of flour per batch of brownies if fred has 17 cups of flour then how many can fred make

Is the preposition in the sentence correct? fährst du mit dem zug in die schweiz? is it true or false?