Jack Dossey wears socks of two colours - Yellow and Orange. He has altoghter 20 yellow socks and 20 orange socks in a drawer. supposing he has to take out the socks in the dark, how many must he take out to be sure that he has a matching pair?​

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.

If you are solving y2+2y=48 by completing the square, the next line would be y2 + 2y - 48 = 0 y2 + 2y + 4 = 52 y2 + 2y +1 = 49

Asking questions when something is unclear is part of?