Answer:
DH
Step-by-step explanation:
2.25x15= blah blah blah, and boom there is your answer
Answer: 
Step-by-step explanation:
By the Pythagorean theorem, the unknown side has length

Therefore,

¼ is equal to 0.25 because when you times by 4 you get a whole :)
It goes zero positive negative. that is from left to right