Answer:
2, 5, 8
Step-by-step explanation:
Answer:
A) The first checkbox
B) The first and third checkbox
Step-by-step explanation:
A)
⇒ the negative would cancel/cross out and leave you with 
B) Look for one negative sign in either the numerator or denominator.
106,127,129,132,135,138,140,158
132 + 135 = 267
267/2 = 133.5
Median is 133.5
First sequence with common difference:
8-x=y-8
Second sequence:
20-y=y-x
Solving two simultaneous equations:
x=16-y
20-y=y-16+y
y=12
x=4