I believe 3m 7cm 3cm= 13 meters :).
Answer:
90.5
Step-by-step explanation:
Velocity is a time-derivative of displacement or the height, in this case.


At maximum height, the velocity is 0 and the height is 128.
Substitute these values into both equations above,


From the first equation,

Substitute for
.





Answer:
A = 32
Step-by-step explanation:
A = ½ (a + b) h
A = ½ (3 + 10) 4
A = (3+5)4
A = (8)4
A = 32