5,6,and7
Use the definition of "average". Add the numbers together, then divide the result by 3 (since there are 3 numbers).
A fact family is a group of related addition and subtraction or multiplication and division facts that use the same numbers. For the numbers 3, 6, and 18, the multiplication facts are 3 × 6 = 18 and 6 × 3 = 18. The corresponding division facts are 18 ÷ 3 = 6 and 18 ÷ 6 = 3. Together, these facts illustrate the relationships between the numbers in the fact family.
The numbers are 15 and 3. 15 * 3 = 45 15 + 3 = 18
18 and 3
They are: 2*3*3 = 18
3 and 18 do.
The prime numbers (factors) of 18 are: 2 and 3
The numbers are: -6 and 3
18 = 2 x 3 x 3
2 x 3 x 3 = 18
3 and 18
18, 36, and 54