Which equations listed below represent a linear equation.

If (a, b) is the solution to the system of equations shown above, and a and b are integers, then what is the value of a+b?

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 is s good strategy to use when preparing to take notes in class