Round 4,719,429 to the nearest 10,000

"princess tower" in dubai is considered the world's tallest residential building, towering to 1 0 1 101 floors! t ( n ) t(n) models the number of tenants living on floor n n of the tower. what does the statement t ( 2 0 ) = t ( c ) t(20)=t(c) mean?

Find the quotient. 50a2 – 98b2 -5a +7b

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)