Find the substance's half-life, in days.
Round your answer to the nearest tenth.
A 46 gram sample of a substance that's a
by-product of fireworks has a k-value of
0.1394.

Find x & pleeeeaaaassseeee me !

The distributive property allows you to say that 3(x − 1) = 3x −

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?