Answer:
10n+10
Step-by-step explanation:
7n-7n+5n2+10
5n2+10
5n*2+10
Hope this helps :D
#Team Rainbows
6
800*Y=4800
Y=4800/800
Y=6
Trillion because the 2 test is billion
9
If PQ || to BC
Then by BASIC PROPORTIONALITY THEOREM: