If we apply the Pythagorean Theorem to the Egyptian knots

Which of the sets of three numbers listed would also let you form a right angle in this way?
Choose all answers that apply:

(Choice A)
A
{5, 12, 13}

(Choice B)
B
{24, 24, 30}

(Choice C)
C
{2, 5, 9}
L

(Choice D)
D
{36, 85, 77}

Can someone pls ! pls answer all. no explanation needed..

Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.

Anyone know these questions? i need ,.