Write the complex number in the form a+bi . 8(cos30+isin30)

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.

Which expression is equivalent to -5(3x - 6/7)

Which statement accurately describes how to perform a 90° clockwise rotation of point a (1,4) around the origin?