How many 1 inch cubes do you need to create a cube with an edge length of 6 inches?

We have enough material to build a fence around a station that has a perimeter of 180 feet the width of the rectangular space must be 3 1/4 feet what must the length be

Can someone me with this problem i don't understand i need

Anumber cube is rolled two times in a row. find the probability it will land on 2 on the first roll and a number greater then 4 on the second roll