Common ratio of the geometric sequence 6,42,294

"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?

Prove that quadrilateral is a rhombus.

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*