I graphed it out and it seems that both A and C are correct. I would check them to make sure.
You need to substitute the number 6 into the function. The output would be 72, because when l(6) = 12(6), you would get l(6) = 72.
I have 2 answers in mind
Answer #1:

Step-by-step explanation:
quotient means the answer to 2 things being divided so the quotient of y and z would be
because there is no numerical value.
Answer #2:
1
Step-by-step explanation:
Usually, when a letter is left by itself in an equation it usually has an invisible one in front of it. so when dividing y by z it would equal 1/1 which is equal to one.
Hope this helps :)
The sum total of the angles in a triangle is equal to 180° degrees.