12 cm high is about 4.7 inches high
Answer:
A. 3s
Step-by-step explanation:
The height of the object after t seconds is given by:

When will the object hit the ground?
It hits the ground after t seconds, and t is found when
. So







3 seconds, so the correct answer is given by option a.
Answer:
A
Step-by-step explanation:
ANSWER- 83
Total : s+a = 322
Student tickets : s = 3a
Adult tickets : a = 332 - s