Caleb scored 60 on his first math test. he studied diligently for the next test and earned a score of 90. what is his percent of increase from the first test to the second test? a. 15% b. 30% c. 50% d. 66 2/3%

The seventh-grade students at charleston middle school are choosing one girl and one boy for student council. their choices for girls are michaela (m), candice (c), and raven (r), and for boys, neil (n), barney (b), and ted (t). the sample space for the combined selection is represented in the table. complete the table and the sentence beneath it.