Using the following information, please calculate the return of an international portfolio. Assume that a portfolio is 45% invested in u. S. Stock and 55% in chinese stock (a = 0. 45). Annualized expected returns are 5% and 12% for the us and china stocks, respectively. Σusa = 18. 5%; σchina = 22. 3%; rusa, china= 0. 35 (correlation).

Luminous objects such as flashlights emit light that we can see. how do we see an object that isn’t luminous? a. the object emits light that reaches our eyes. b. light reflects off the object and reaches our eyes. c. light passes through the object uninterrupted. d. light is fully absorbed by the object. e. we can’t see an object that isn’t luminous.

At work claire has a deadline that is rapidly approaching as she works she finds that she is doing more work in a shorter amount of time than usual she thinks more quickly and her senses and memory are sharper what is responsible for claire working more efficiently

Respiration involves the breakdown of sugar. this process results in the production of energy for the cell. i'm order for cells to produce the most energy, what gas should be present?