kindly solve the following questions please?The key variable that answers the fundamental questions in microeconomics and what drives the economy is prices. Economic agents react to prices they face and the forces of demand and supply are the function of prices.

So the correct option is option a.

Positive economics refers to the statement of things as they are or a description of reality. So the correct option that best describes the positive economics is option a. That is, it is the way things are.

So the correct option is option a.

The example of perfect competition in a way can be stock market since there are large number of sellers and buyers of the same underlying stock and there are no barriers to entry of new buyers and sellers.

So the correct option is option C, the stock market.

The fact that water is more essential for life than diamond is true but the statement that twin forces of demand and supply dictate that water is just as expensive as diamond is false. Since the water on planet is available in abundance relative to diamond. While the dem

21. The SH2 domain of STAT proteins plays a key role in cytokineseceptor signaling. This domain can bind to phosphotyrosine ... A) on an activated receptor molecule, or (intramolecularly) on the same STAT molecule. B) on a Janus kinase molecule, or (intramolecularly) on the same STAT molecule. on an activated receptor molecule, or on another STAT molecule in a dimer. on a Janus kinase molecule, or on another STAT molecule in a dimer. E) on the same STAT molecule or on another STAT molecule in a dimer.16. [1 pt] Ho: US -2 vs. HA : u > -2: The summary statistics from a sample show sample mean X = -1.54, sample standard deviation s = 1.63, and n = 37. (a) test stat = 1.7166, p-value = 0.0473 (b) test stat = -1.7166, p-value = 0.0473 (c) test stat = 0.2822, p-value = 0.3897 (d) test stat = -0.2822, p-value = 0.3897 17. [1 pt] Ho: p 2 0.67 vs. HA: p