Use direct substitution to determine if each of the following are solutions to the equation: y' - 4y = 12 more than one answer may be correct. d y = 50* 3e4x y=-3 0 yeeft. 3

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

What was bohr’s contribution to the planetary model