For this case we have to by definition:
1 kilojoule equals 0.239006 kilocalorie.
1 kilocalorie equals 1000 calories
Then, if we have:
Now:

Answer:

You normally use pie in equation that had the circumference or radius or diameter. !<span />
Answer: Bajo del Gualicho has a higher elevation than Lago Enriquillo.
Step-by-step explanation:
Since in this case the "elevations" are negative because are under sea level, we can call it depth.
In this sense, we are given the "elevations" or depths of two places:
Bajo del Gualicho: -72 m
Lago Enriquillo: -46 m
Keeping in mind we are actually talking about the depth of this places, we can say Bajo del Gualicho is deeper than Lago Enriquillo, and this is best expressed with the following inequality:

Where
represents Bajo del Gualicho and
represents Lago Enriquillo.
I'm guessing the answer would be 141 pennies in a rectangular array I think I'm right but i might be wrong