Which integer represents a loss of 12

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?

Write an equation in slope intercept form of the line passes through the given point and is parallel to the graph of the given equation (0,0); y=3/8 x+2

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?