Answer:8.5 and 2.5
Step-by-step explanation:7, 8, MD 9, 10 There are four numbers in this sequence and MD is the midpoint. To find MD we have to find what is in the middle of 8 and 9. The number between them is 8.5 or
8 1/2(which is also 8 and one half)
For 2 and 1 same thing, what is between 2 and 1? To find that the number line goes 2, 2.9, 2.8, 2.7, 2.6, 2.5, 2.4, 2.3, 2.2, 2.1, and 1.
What is the midpoint in all of this? 2.5!