Answer:

Step-by-step explanation:
<ABC = 1/2(130+40)
<ABC = 170/2
<ABC = 85
answer
C. 85
Adding all vakus in data set and divide by the number of values in the data set
Use the distributive property:
0.5 - (-10.5 * 5) + 40.5
0.5 + 10.5 * -5 + 40.5
Simplify:
0.5 - 52.5 + 40.5
= -11.5