In a right angled triangle, the acute angles are in the ratio 4:5. Find the angles of the triangle in degree and radian

Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under

What is the ratio of the length of an object in yards to the length of the same object in miles?

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.