How do I find a polynomial function of least degree having only real coefficients , a leading coefficient of 1, and roots of 1- square root 3, 1+ square root 3, and 5-i

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e.g. 98.765).

Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.

What is 1/3x5 on anuber line what does it look like on a number line