Answer: 
Step-by-step explanation:
Answer: 25 mm
Explanation:
Multiply 2.5 by 10 since 1=10 and there are 2.5
2.5(10)
=25
It would be B, although it could be different if there’s a picture above
For the angle, correct it to how many significant figures or decimal places whatever the question wants you to. Hopefully this helps :D
For me, it's usually to 1 D.P, so 38.1°.