Ok so I uploaded the picture of how to do the promblem step by step so you know :)
4b^2 - 16 =
4(b^2 - 4) =
4(b + 2)(b - 2)
Answer:
3
Step-by-step explanation:
1 billion dollars × 6 inches per dollar = 6 billion inches / 63,360 inches per mile = 94,636.97 miles coverted by1 billion bills. answer = 94,636.97 miles