Atriangle had sides of 12 ,14,19 is it a right triangle

Liesl grew 7/12 of a foot in one year. her little sister grew 1/3 of a foot during that same year. how much more did liesl grow than her little sister did

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap

Arestaurant added a new outdoor section that was 8 feet wide and 6 feet long. what is the area of their new outdoor section