What is the mode of 109

Iddont know how to answer that question sorry

I don't know how to answer but i hope that the explanation will help

Step-by-step explanation:

To find the mode, or modal value, it is best to put the numbers in order. Then count how many of each number. A number that appears most often is the mode.

1

step-by-step explanation:

it's the only multiple of both and the least

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.