Can someone solve with explanation plz?

Step-by-step explanation:

Therefore, the correct answer is . Since none of the answer choices is the answer I provided, I would suggest selecting B.

ab can be written as a×b

The values of a and b are as follows

Now,

Calculate the modulus:

mark other person brainliest

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.