Earl runs 35 meters in 10 seconds. how many meters does earl run per second?

Asap! i'm not good math and i'm lost.

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas 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

Why is x= 4 a solution to the proportion 14/x 56/1 6