Answer:
B
Step-by-step explanation:
B because the sales man sales 50 each sale and he gets 300 but he wants 1000
Peter piper picked a pepper
Answer:

Step-by-step explanation:
The max height of an object can be calculated using one the basic projectile motion equations:

Where:

In this case, let's asumme g=9.8m/s^2, besides θ=90, because the water ballon was threw straight up, so:
