10. players on a soccer team are supposed to
spend 8 hours per week practicing their skills.
the table shows the total amount of time the
players practiced their skills in one week.
player
time at
practice
0.65
joshua
daniel
sofia
0.85
lee
i
who spent the most time at practice last
week?

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