Answer:
x=
Step-by-step explanation:





/2 /2


x=
Answer:
Z + 12
Step-by-step explanation:
Z-(-12)
Z + 12
Double negative turns into positive
Answer:
median = 5
range = 2
mean = 11
Step-by-step explanation:
2(3r+7)−(2+r)
Use distributive property:
6r + 14 - 2 - r
Simplify by combining like terms:
5r +12