Answer:
The correct answer choice is <u>option B. 6/x^2</u>
Step-by-step explanation:
5 and 6 (5 being the square root of 25 and 6 being the square root of 36, which are the closest perfect squares)
1a:
580 - (580 × .1) - 20
580 - (58) - 20
522 - 20
502
1b:
990 - (990 × .25) - 20
990 - (247.5) - 20
742.5 - 20
722.5
I'm not sure how to solve #2.
Answer:
1 milliliter is 20 drops.