A set of 15 numbers has a mean of 4. A second set of 25 numbers has a mean of 6. What is the mean of the combined set of the 40 numbers?

2. your driving record a. is totally confidential. b. may be available to the public. c. is available only to your employer with your authorization.

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 must students do with the 10 gird-ins on the math section of the psat