A club with 5 members is to choose 3 officers ; president, Vice President and secretary treasurer if each office is to be held by one person and no person can hold more than one office in how many ways can those offices be filled

isaiah walks 3 miles due north, turns and then 5 miles due east. how far is he from his starting point?

a^2 + b^2 = c^2

let c = distance from starting point.

(3)^2 + (5)^2 = c^2

9 + 25 = c^2

34 = c^2

sqrt{34} = sqrt{c^2}

sqrt{34} = c

the answer is d=3.09