Answer:
Formulate and devise. They both mean to create a plan of some sort, while all the other words have to relation to each other. Another trick is to put the words into sentences and see if they deliver the same message.
Answer:
antonym I think it's correct
Answer:
If the period of a pendulum is 2.0 seconds and the acceleration due to gravity is 9.8 meters/second2, what is the length of the cord on the pendulum?
Explanation:
The answer is B less than 20 percent
or another one is less than 10 percent it depends on which you got