Find the value of x in the triangle shown below. 6 10

What is this inequality notation? t is less then or equal to 2

Ineed if you could explain and give me the answer you! this needs done

Maria found the least common multiple of 6 and 15. her work is shown below. multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, . . multiples of 15: 15, 30, 45, 60, . . the least common multiple is 60. what is maria's error?