Which of the following is a irrational number a) 787 b) 13/17 c) 4.5102 d) 620

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

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?

(60 points) explain this in detail