What grade are you in so I know what level you are on to help
Answer:72.6
Step-by-step explanation:
Answer: d = ±10
<u>Step-by-step explanation:</u>
169 =
+ 
169 = (12)² + 
169 = 144 + 
25 = 
100 = d²
√100 = √d²
±10 = d
A)-28
B)-48
C)45
Hope this helps :)