Last year at a certain high school, there were 132 boys on the honor roll and 90 girls on the honor roll. this year, the number of boys on the honor roll increased by 25% and the number of girls on the honor roll increased by 20%. by what percentage did the total number of students on the honor roll increase? round your answer to the nearest tenth (if necessary).

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

For a science project, a high school research team conducted a survey of local air temperatures. based on the results of the survey, the found that the average temperatures were around 10 degrees higher than expected. this result was wrong. the trouble with the survey was that most of the locations were exposed to direct sunlight and located over asphalt or sand, which resulted in higher temperatures than normal. this is a classic example of an error in which phase of inferential statistics?