Is 1.52 a irrational number

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

The actual length of side t is 0.045cm. use the scale drawing to find the actual side length of w

Captain umaima has a ship, the h. m.s. khan. the ship is two furlongs from the dread pirate nadia and her merciless band of thieves. the captain has probability 3/7 of hitting the pirate ship. the pirate only has one good eye, so she hits the captain's ship with probability 2/5. if both fire their cannons at the same time, what is the probability that the captain hits the pirate ship, but the pirate misses.