Find the sum or difference. Simplify your asnwer. 1.) 8 2/5 + 3 1/4

2.) 7 3/6 + 5 2/5

3.) 8 4/8 - 7 1/5

4.) 7 2/5 - 4 1/4

5.) 3 2/6 + 4 3/5

6.) 9 2/8 + 7 1/4

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.