Answer:
6) B distributive property 7) B distributive property 8) C associative property
Step-by-step explanation:
Answer: x = 7
Explanation:
Subtract 8 from both sides to isolate x.
x + 8 = 15
x + 8 -8 = 15 - 8
x = 15 - 8
x = 7
Let the height of the trees are h1,h2 and h3,
Then,we know that
Mean height=(h1+h2+h3)/3
