X- 3y = -20
x - 5y = -40

and show how you got to the answer

"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?

Need solving this second acceleration problem.

Find the value of x. round the length to the nearest tenth