The high school graduating class of 2010 was 260. Five years later the high school graduating class was 200 people. By approximately what percentage did the high school graduating class change? Was this increase or decrease?

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.