Can somebody please be my friend I'll give you 100 points

Find the area of shaded region z=-0.89

Assessment includes a. interviews, recorded conversations, videos, frequency counts, and time samples. b. formal standardized tests and developmental screening tools. c. various types of documented observations, documentation of child work, checklists, rating scales, and standardized tests. d. anecdotal notes, narratives or daily records, daily health checks, and teacher observation checklists.

Give an example of the type and scale of economic activity for a traditional economy.