The length of two sides of a right triangle are 5 inches and 8 inches. What is the difference between the two possible lengths of the third side of the triangle

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?

Find the values of y: 3y^3(y^2+ 2/3y)=0

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m