For the points A(3,0),B(5,2),C(7.-2),calculate the angle between BAC.

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.

Hundred and tens tables to make 430 in five different ways