A6-sided die is rolled. what is the probability of rolling a 3 or a 6?

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

Line segment eg is partitioned by point f in the ratio 1: 1. point e is at e (0, 4), and point f is at (1, 3). what are the coordinates of point g? (−1, 5) (2, 2) (3, 1) (4, 0)