Equal sets have the exact same elements, so they must have the same number of elements. Therefore, equal sets must also be equivalent. No, not all equivalent sets are also equal sets
Answer:
please I can't do it I have not been thought
The answer is an equilateral triangle
5,6
55,56
65,66
555,556,565,566
655,656.665.666
Looks like there are 14 numbers that use only the digits 5 or 6 or both 5 or 6 that are under 1000.
