Help and explain to me if it did form one!

You can determine whether a triangle can be formed out of the given side lengths if two the side lengths added up is greater than the third side length in all cases

           2 + 4 > 5

            4 + 5 > 2

            2 + 5 > 4

So you can form a triangle with these side lengths.

Hope that helps!

Yes, it will be an Isosceles triangle

Please mark as brainliest

a) one student is chosen from classroom a, then a student is chosen from classroom b.  

step-by-step explanation:

independent events are ones in which the probability of one event does not affect the probability of the second event.

one student is chosen from classroom a; this does not affect the chances of choosing a student from classroom b.   this makes these independent events.

when one card is chosen from a standard deck and then set aside before a second card is chosen, the probability of the second card being chosen changes.   this makes them dependent events.

when one student is chosen from classroom a and then a second student is chosen from classroom a, the probability of choosing the second student changes.   this makes them dependent events.

when a letter is chosen from the alphabet and then a second letter is chosen, the probability of choosing the second letter changes.   this makes them dependent events.

i think the correct option is the second option.