My number is the first multiple of 3,6, and 9 what is my number

18 is the first multiple of 3,6, and 9.

Step-by-step explanation:

18

Step-by-step explanation:

We need to find the LCM (lowest common multiple) of 3, 6, and 9. Let's count by multiples of 3 to find it.

3 (not a multiple of 6 or 9), 6 (not a multiple of 9), 9 (not a multiple of 6), 12 (not a multiple of 9), 15 (not a multiple of 6 or 9), 18.

Since 18 is the first number that is a multiple of 3, 6, and 9, that is the answer.

5/6

step-by-step explanation:

if i remember correctly with perpendicular stuff you just take away the negative