How many 1/2s are in an inch?

This painting is by james whistler, and is entitled, symphony in blue and pink. what is the subject matter of this piece?

Which of the following is an example of the endocrine system maintaining homeostasis? detecting a pain stimulus and sending a signal to the spinal cord to perform an automatic response discharging an excessive amount of hormones in the blood and not sending a signal to stop production releasing hormones that speed up heart rate and blood pressure while slowing body functions like digestion and growth using sense organs to get information about the outside world and direct an appropriate body response release

Some have called jazz music “america’s classical music.” what is meant by this statement? do you agree or disagree?