I think it’s square because there is a cross section on the two sides of the square that are parallel to each other :)
"The quotient of the sum of 2 and number b, and 3" can be displayed as:
(2 + b)/3
Answer:
decay rate is -13 percent in an hour. 3 hours would be (0.87)^3 = 65.85 percent
Earth's Highest Mountain: Mount Everest = 29,029 ft
Earth's Deepest Ocean Canyon: Challenger Deep = - <u>(-)36,070 ft
</u>Total Difference ----------------------------------------------------- 65099 ft
Mars' Highest Mountain: Olympus Mons = 69,650 ft Mars' Deepest Ocean Canyon: Valles Marineris = - <u>(-) 23000 ft
</u>Total Difference ----------------------------------------------------- 92650 ft
<em>ANSWER: Mars has greater difference of Highest Mountain - Deepest Ocean Canyon. It differ with that of Earth's by 27, 551 ft</em>