Answer: 56 / 729
Step-by-step explanation: (4 * 2 * 7) / (9^3)
Answer: 3 mi/h
Step-by-step explanation:
Here we have to find the speed
at which Sarah walks to school, knowing the distance
she has walked and the time
she expends.
So, in this case we can use the following equation:

Where:


Solving:

This is Sarah's speed
The heavy suitcase.
A small car would still weigh quite a lot, a tablet would weigh a lot less than that, and a watermelon is around 2kg (depends).
Answer:
True
Step-by-step explanation:
Answer:
15 and 20
Step-by-step explanation: