Emma notices that since her credit card balance compounds monthly, she is charged more than 15% of her initial loan amount in interest each year. Please help out

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

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.

What are the sotions to the quadratic equation 9x^2=4