Aball rolled 184 feet in 3 minutes. what was this ball's average speed, in feet per second?

"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?

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

How to do this , and can some one explain