What is -87 plus 4 times-8 subtract 9 add 12 ? and im bored

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.

What percentage of the earth's water is available for use by living things?

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