Which trends are observed as each of the elements within group 15 on the periodic table is considered in order from top to bottom?.

Many colleges review students’ scores on the _ or _ before deciding whether to offer them admission.

Land is to arable ; river is a, navigable b, shallow c, presumsor d, water

Abox contains 40 number tiles numbered 1 to 40. if a tile is drawn at random, what is the probability that the number drawn is a multiple of 3 or 4? find p(multiple of 4 or multiple of 5)