I hope this is the right answer to the question i hope i helped you.
Answer:
You will need 187 80 pounds bags of concrete.
Step-by-step explanation:
12x14x(2/3) x 0.6 = 186.666 or 187
Answer:

Step-by-step explanation:
The function is

Where
x = Time in hours
y = Velocity in kilometers per hour
Here y = 30 km/hr

The particle will reach 30 km/hr after
.
Answer:
The final answer is (2,-1)
(also idek what I did in the photo but I'm positive the answer is (2,-1)