Can someone me with this trig question.
for a given right triangle, side a = 76.4 feet and side b = 39.3 feet what is the length of side c to the nearest tenth of a foot?

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.