Answer:
9x5=45
Step-by-step explanation:
i used my brain
:)
8 is the answer
Answer by JKismyhusbandbae: The mean is the average of all the numbers. You add all the numbers and divide by how many numbers you added to get the mean.
-3, -2, -0.8, 0.8, 7
<u>Answer</u>
= 5 units
<u>Explanation</u>
2a - 2 = a + 1
2a - a = 1+2
a = 3
XY = 3a - 4
= 3×3 - 4
= 9 - 4
109 is the 22nd term