Which polynomial was factored?

x2 – 2x – 8

x2 + 2x – 8

x2 – 2x – 4

x2 + 2x – 4

What is the circumference of the pie

Study results indicate that the mean length of time people spend on a bus in a city is between 21.2 min and 24.5 min what is the study margin of the error?

Given: prst square pmkd is a square pr = a, pd = a find the area of pmct.