D it's store d, it's the cheapest
(-4n^(2))* (5n^(7)):-20n to the power of 9
(2x)^(3)*(5x^(4 ))^(2): 200x to the power of 11
I well say X-251
X means how many total seats there were and the 251 means how many seats short the arena was.
Hope this helps!!!!
Answer:
the area of the trapezoid is 78cm^3
Step-by-step explanation: