This is the number of complete oscillations of a wave per second.

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.

Explain how you might determine the rate of weathering on a sample rock

Find an equation in standard form of the parabola that passes through (-2, 9), (-4, 5), and (1, 0)