Every quadrilateral tessellates a plane. a. true b. false

If you roll two fair dice (one black die and one white die), in how many ways can you obtain a 4 on at least one die?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?