What is the unit rate in terms of people per square mile when there are 646,449 people in 68.3 square miles?

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 1, 2−√3

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

Janice determined there were 10 possible outcomes when tossing two coins and spinning a spinner numbered 1 through 6. what is the correct number? what might have been janice's error?