Which expression is equivalent to this polynomial? x² + 12
OA. (r + 2/3i)(1 – 2/3i)
O B. (x + 6i)(x – 6i)
Oc. (x + 213)
OD. (r + 2/3)(x - 2/3)

(hurry! ) which expression is equivalent to the following complex fraction?

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%