The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. How many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

Why do you think electric energy for households is generally supplied by power plants instead of by an electric generator at home.

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.

Which of the following words identify a question as absolute