What are all of the real roots of the following polynomial? f(x) = x4 - 13x2 + 36

A.
-3, -1, 1, and 3
B.
-3 and 3
C.
-3, -2, 2, and 3
D.
-2 and 2

The circumference of a circle is 60 pi cm3what is the radius of the circle

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is . reset next