Please only answer if you have an actual answer. Worth 20 points

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

Solve -.016x= -16. need solving this

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample