To solve this, you would divide the miles by the number of hours, 21 / 4
21 divided by 4 equals 5.25
Answer:
Scientists can tell by observing the seismic waves that are recorded all over the surface of the earth from distant earthquakes. The seismic waves are reflected (bounced off) layers of different density, and they are refracted (bent) when they enter layers of different density.
The independent variable is the variable that is being changed. In this statement, it would be water flowing flowing in the pool. The dependent variable is what is being changed so that would be the depth of the water.
There, I hope this helps! :)
10 20 30 40 50
15 30 45 55 70
20 40 60 80 100
24 48 72 96 120
Answer:
Step-by-step explanation:
Remember that 
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When you multiply powers with the same base, add the exponents. Do this in the denominator.
When you divide powers with the same base, subtract the exponents.
