Answer:
1st: is able change to be able
2nd: transform change to transforming
3rd: have the steady speed change to does the steady speed; had any effect change to have any effect
hope this helps:))
B is the answer hope this helps I took the quiz btw so this should be correct
C.changing the federal reserve ratio
All of the above. The contractions makes it seem unprofessional amd the slang does too. If you better explain the purpose for writing, you are more likely to get the response you want. Hope this helps!