PLS HELP!! I have absolutely no understanding on this topic and my professor doesn't teach out of a textbook nor provide any notes! Question 1: An LP application in Portfolio selection
and Question 2: Project Management

Any sort of explanation is welcomed.

Joe pays ann to mow his lawn and ann mows vanna's lawn by mistake. vanna peers out her window and sees ann mowing, yet says nothing to ann about her mistake since vanna needs to have her lawn mowed. when ann approaches vanna for payment, vanna refuses, arguing that she never asked ann to mow her lawn. under these circumstances, ann can recover payment from vanna under:

Ryngard corp's sales last year were $38,000, and its total assets were $16,000. what was its total assets turnover ratio (tato)? a. 2.04b. 2.14c. 2.26d. 2.38e. 2.49

Label each of the following statements true, false, or uncertain. explain your choice carefully. a. workers benefit equally from the process of creative destruction. b. in the past two decades, the real wages of low-skill u. s. workers have declined relative to the real wages of high-skill workers. c. technological progress leads to a decrease in employment if, and only if, the increase in output is smaller than the increase in productivity. d. the apparent decrease in the natural rate of unemployment in the united states in the second-half of the 1990s can be explained by the fact that productivity growth was unexpectedly high during that period.