Research an example of a monopoly in the United States economy, past or present. Construct a brief explanation of the monopoly and its impact on the market?

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

Which has the greater energy, light of wavelength 519 nm or light with a frequency of 5.42 x 10^8 sec^-1?

Analyze the diagram below and complete the instructions that follow. 56 find the unknown side length, x write your answer in simplest radical form. a 2047 b. 60 c. sv109 d. 65 save and exit next s and return