Sacramento finished construction of the golden one center in 2016. in section 107 of the arena, each of the 18 rows has 33 seats. for an upcoming basketball game, seats in the upper level of section 107 cost $150 and seats in the lower level of section 107 cost $380.
they sold twice as many upper level tickets as lower level tickets and collected $110,160. how many upper level and lower level tickets were sold?
were all the tickets for the seats in section 107 sold? if not, what is the potential revenue loss? justify your reasoning.

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step-by-step explanation:

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center (1,3) with radius 6

step-by-step explanation:

we must complete the square to find the center and radius of the circle.

first make sure the x and y squared terms have 1 as their coefficients. we also make sure x and y terms together.

we now create space between the x and y terms with parenthesis.

we complete the square by taking the middle terms -2x and the -6y - divide each and square them.

we add the squares to both sides.

simplify.

and write the quadratics in factored form.

the center is (h,k) or (1,3). the radius is the square root of 36 which is 6.