there are 107 girls at hockey camp. The coach is reserving rinks for games. There can only be 12 girls on each rink. How many rinks should the coach reserve?

Ineed to know the answer right now! !

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

Can someone me with this? i’m not sure what to put for my equations.