Ineed to know how to make a math problem with 2 expressions in it to make up 1

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?

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need

Add the two expressions 4.6 x -3 + -5.3 x + 9