<span>associative property of addition and answer is
</span><span>(u + 7) + 13 = u + (7 + 13)</span>
We are given this

write it as the difference of cubes

use the formula for the difference of cubes

Now use the formula for the difference of squares as 

Answer:
kewl
Step-by-step explanation:
Answer: 5, -4, 2.6, and 100
Step-by-step explanation:
Answer:
what do you mean dead its not breathing
Step-by-step explanation:
someone help ambulance we want <em>CPR</em>
brainly is dead
haha sorry i was just joking hehe (≧∇≦)