Yes
5
The average is 35. (21 + 35 + 49 (=105), divided by 3.)
21
105 can be divided evenly by 1, 3, 5, 7, 15, 21, 35, and 105. These are all the factors of 105, meaning they divide into 105 without leaving a remainder. Additionally, 105 can be divided by other numbers that are not factors, but those divisions will result in remainders.
4
21
5
105 can be divided by 1, 3, 5, 7, 15, 21, 35, 105.
21
The average is 35. (21 + 35 + 49 (=105), divided by 3.)
21
21
105 / 5 = 21
105 can be divided evenly by 1, 3, 5, 7, 15, 21, 35, and 105. These are all the factors of 105, meaning they divide into 105 without leaving a remainder. Additionally, 105 can be divided by other numbers that are not factors, but those divisions will result in remainders.
4
105 - 21 = 84
no. if you divided it by nine you would get a number with a big decimal. But is divisible by 5. (105/5=21)