What are the portfolio weights for a portfolio that has 138 shares of Stock A that sell for $48 per share and 118 shares of Stock B that sell for $38 per share

Explanation:

The portfolio weight of an asset is the total investment in that asset divided by the total portfolio value. First, we will find the portfolio value, which is:

Total value = 122($32) + 102($22) = $6,148

The portfolio weight for each stock is:

WeightA = 122($32) / $6,148 = .6350

WeightB = 102($22) / $6,148 = .3650

ans.

heterothermic organisms include those organisms that can switch between homeothermic (having body temperature higher than environment) and poikilothermic (having variation in internal body temperature) strategies.

some migratory birds show heterothermy as they decrease their metabolic rate during cold nights to keep their body temperature low. drop in metabolic rate allows increase in production efficiency of birds that reduces the internal body temperature to make it equal to external cold temperature during cold nights.

thus, the correct answer is 'birds allow their temperature drop in order to increase their production efficiency.'

answer; dogs;