Answer:
3n
Step-by-step explanation:
We can see that the 3 gets distributed into the parentheses since there is a +21 on the right (3×7=21) so we also have to distribute the 3 to the n
Answer:
its A
Step-by-step explanation:
because A is a reasonable explanation
Answer:
Step-by-step explanation:
12 is F
Okay okay thanks for the update I am on my way to get my car