What kinda of tone should a cover letter use when addressing an unknown audience

it would be an unknown audiance

Explanation:

persuasive or imformal tone

kellan is struggling with the amount of work he has to do

hope this : 3

answer; (d) i believe the best answer is ; ///people said that man could not fly, but in 1903, orville and wilbur wright made the first sustained powered flight in a heavier- than-air machine;