What is the radius of this circle if the circumference is 18π cm?

c=18π cm

3 cm
9 cm
18 cm
36 cm

What is the sum of these mixed numbers 2 1/8 + 4 3/8

Manuela claims that and are congruent. which statement best describes her claim? she is incorrect because the segments do not have the same orientation. she is incorrect because the segments do not have the same length. she is correct because the segments have the same length. she is correct because the segments have the same orientation.

The graph of a curve that passes the vertical line test is a: