does anyone know of a simple, easy to learn from website taht will help me with my algebra especially quadratics and also sine cosine and tangent graphs. Merry Yuletide
Two questions in one really: 1. If I place a mirror behind a light source, do I get double the amount of light? 2. If I hit two piano keys with the same force as I hit one, is the sound produced...
I dont know if anyone can help but for the past year i have been having a strange crackling noise inside my head just as im dropping off to sleep.Sometimes its like static and othertimes its so loud...