Situation: a 25 gram sample of a substance that’s used for drug research has a k-value of 0.1205
n0(zero)= initial mass(at time t=0)
n= mass at time t
k= a positive constant that depends on the substance itself and on the units used to measure time
t= time, in days
find the substances half-life, in days. round your answer to the nearest

What is this inequality notation? t is less then or equal to 2

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form