Determine weather the following is real or complex
i^6-122-7i^2

Plzzz i beg u so much asaaaap ! what is the slope of this line? enter your answer in the box.

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?

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.