Respuesta :

Answer:

a) 30

b) 2

at 2 seconds, the balloon reaches the greatest height, 30

Step-by-step explanation:

y=height

x=seconds

The greatest height that the table shows is 30; the number of seconds it took to reach 30 is 2, (2,30)

Accordingly:

at 2 seconds, the balloon reaches the greatest height, 30

Pls let me know if this helps!