Please help quick only need answer and the question is in the picture

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?

What is the least common multiple for 6 and 8? what is the least common multiple for 4 and 12 ? what is the least common multiple for 11 and 12? what is the least common multiple for 3 and 6?