Please help serious answers only

Factorize: x^2+8x+10 i just solved it but i don't know if the process is correct

Ahigh school has 3636 players on the football team. the summary of the players' weights is given in the box plot. approximately, what is the percentage of players weighing less than or equal to 225225 pounds?

Find the perimeter of the figure shown above. a. 50 cm c. 30 cm b. 64 cm d. 60 cm select the best answer from the choices provided a b c d