I really need help with this asap

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.

When is g(x) = 0 for the function g(x) = 5.23x + 4?

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?