The line that is diagonal means that it will have a degree measure of 180( aka a straight diagonal line) therefore if you subtract 124 from 180, you will get angle z which is 56
7) The horizontal speed will effect the distance that your feet are off the ground but not on the time...
my last number answer is -9.8 but I think it's incorrect .
I only know this much sorry .
6-by=19
minus 6 from both sides
-by=19-6
-by=13
divide both sides by -b
y=13/-b
y=-13/b