3 + 4n - 8 + 2x use n = 5 and x = 7

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

Angela took a general public aptitude test and scored in the 88th percentile for aptitude in accounting. what percentage of the scores were at or below her score?

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?