Find x, if it is a decimal round to the nearest tenth. PLEASE ANSWER BOTH QUESTIONS AND HELP ASAP

Which three lengths could be the lengths of the sides of a triangle? 21 cm, 7 cm, 7 cm 9 cm, 15 cm, 22 cm 13 cm, 5 cm, 18 cm 8 cm, 23 cm, 11 cm

Which is the solution to the inequality? 2 3/52 1/15 b< 3 2/15 b> 3 2/15

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.