A runner has been going at 2m/s then decides to speed up to 6m/s. The runner was able to do this in 3 sec. What is the acceleration?

Would really appreciate it, i have an idea but not completely sure

What is the difference between bacterial infections and viral infections?

Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. albino x albino a) 1/4 chinchilla, 3/4, agouti b) 3/4 albino, 1/4 chinchilla c) all albino