an observer (o) is located 400 feet from a building (b). the observer notices a kite (k) flying at a 29° angle of elevation from his line of sight. how high is the kite flying over the building?

6. sarah saved $12.75 every week for a number of weeks, w. she received an additional $25 during the last week in which she saved money. write and solve an equation to find the number of weeks, w, for which sarah had saved money if she has $114.25 now.