A botanist finds that the mean height for six-month-old trees of a certain species is 43 inches, with a standard deviation of 7 inches. Use the empirical rule to find the percentage of six-month-old trees of this species that will have heights between 29 and
57 inches.
The percentage of six-month-old trees of this species that will have heights between 29 and
57 inches is %.

The answer is b.i hope this i got the answer from google just to make sure i was correct didnt wanna make you get it

The answer is to reassure the reader about dangers of mad cow disease.

Which of the following is an example of an opposing signal? no examplthates given.   i would say, that traffic lights in a city at major intersections direct the flow of traffic in opposite directions so would be an example.also, stop signs on either side of the same street would be an example. at a train crossing, the light for allowing car traffic in opposite directions or not would be another example.