Magnesium and nitrogen react in a combination reaction to produce magnesium nitride.

Jerrold has to buy 12 copies of a textbook which costs $36.25 per copy. how much must he spend for them?

Sweater originally priced at $65 is on sale for 15% off.you also have a coupon that takes another $10 off.what percent of the original price do you pay?

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