7n + 4
Ask if you want me to elaborate
Answer:
it's easy if you're 3 below ground level then it would be -3 and now you just add 12
Step-by-step explanation:
-3+12=9
100 circles and another 100 circles and 76 circles.
Draw in real life it will work.
Another way 2 hundreds 7 tens and 6 ones