Discover Questions

What is half life? How many negative roots does the equation 3x^4 - 2x^3 + 8x^2 - x- 7 = 0 have? Graph the function y=tanx. Clearly label the period and asymptotes? A 2.00M solution of NAOH is treated with a 0.200M solution of HCL. At eqivelence point, what is the concentration of NACL produced? A girl on a bridge throws a rock straight down at -12.5 m/s. It hits the ground 38.4 m below. How much time did it take ? Please help !?