Which of the following formulas represent valid ionic compounds that can be made from these six elements: al, be, f, li, n, and s? select all that apply.

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)

Which source would provide the most bias-free information about smoking and increased health risks? a) a website created by heart disease patients b) a research study conducted by the mayo clinic eliminate c) a public service message sponsored by tobacco companies d) an online question forum conducted by attorneys for cardiac specialists

Which economy enables demand for a product or service to drive all the businesses decisions business decisions are driven by demand in a ( an ) economy