This is cross multipication. Multiply 117 times 36 together for that you would use a calculator. You get 4221. Next step is to multiply x and 12 together that would be 12x.
4221= 12x
Divide by 12 on both sides:
x= 351
351 is # of trouts in the lake .
Answer:

Step-by-step explanation:
Complete question

Required
Solve for x
We have:

Collect like terms

Multiply through by 

Make x the subject

Hi! actually, the y intercept is 0, 8. hopefully this helps
Answer: it’s the same 110 degrees
Step-by-step explanation:
-105 and -20.
-105 x (-20) =2100
-105 + (-20) = -125
:)