Which side lengths form s right triangle?
A. 5,12,13
B. 4,4,8
C. 2,3,4
plz help ​

At his new job, jeremiah can choose an hourly rate of $9 plus a $50 weekly bonus for opening the store, or an hourly rate of $10 per hour with no opening bonus. the equations model his salary options. y = 9x + 50 y = 10x

Anyone know? will mark brainliest if correct

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia