Yes you do , i learned pythagorean theorem last year in pre-algebra
12 1/2 = 12.5
2.5mm = 2.5 cm
So the answer would be 15 cm
6 times 4 equals 24 that is the answer for this problem because it says that Ben is 4 times older than ishaan and he is 6
It would be 1/7 chance cause there are 7 people total but you have the 1 chance that you are going to get your own name