A population of birds is growing exponentially at a rate of 4% per year. If the initial population contains 12 birds, write an equation that represents the population of birds in (x) years.

Asilkworm winds its cocoon out of one long silk fiber. to make silk thread, 3 to 10 of these silk fibers are unwound from their cocoons and combined into aa single thread with a typical length of 300 yards. choose a reasonable number of silk fibers in a thread write an equation to find the total length of the silk fibersused in 300 yards of the thread

Negative 5 1/12 + negative 4 1/4 + 6 3/4

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?