What was the radius of the first ferries wheel

The table shows a pattern of exponents. what is the pattern as the exponents decrease?

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.