Write 3x^4y^{-3} using positive exponents

Use the multiplier method to incrases £258 by 43%

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.

Through non-collinear points there is exactly one plane.