I don’t know this answer please help

What is the range of the data below? .8090100

The square root of 9x plus 7 plus the square rot of 2x equall to 7

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.