Find five roots of this rectangular or polar expression.

  see below

Step-by-step explanation:

The n-th root of a complex number is the n-th root of its magnitude at 1/n times the angle (plus 0 to n-1 multiples of 2π/n radians).

Here, the magnitude is 6 and the angle is π/3

In terms of reference angles, these are ...

b.my answer is b.

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$3720

step-by-step explanation:

taxable income = $31000

as per the 2018-2019 us tax bracket, the tax rate is 12% for an individual whose taxable income is between $9,526 to $38,700.

so, the tax to be paid by him = 12% of 31000

= 0.12 * 31000     [12% converted to decimal as 0.12]

= $3720