I hit 20 subs! can you guys sub to 999 splxsh on yt pls it will help me out a lot

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

Combine like terms to make a simpler expression 3z+z

What does independent variable and dependent variable mean in math?