The area of the triangle shown is represented by A=s(s−21)(s−17)(s−10)−−−−−−−−−−−−−− −−−−−−√, where s is equal to half the perimeter. What is the height h of the triangle?

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Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

What is the total surface area of this square pyramid?