What is the product of 7/9 and 6

Is it true or false i’m trying to pass this test so i can leave school

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air

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