Answer:
20
Step-by-step explanation:
1. First simplify 8a + 4 then substitute a=2 so 8(2) + 4 = 16+4=20
Now you try the rest
Answer:
exponetial decay
Step-by-step explanation:
its halving, how are supposed to grow when its repeatedly dividing itself?
56 ounces are 3.5 pounds because 16 ounces are 1 pound and if you divide 56 by 16 you get 3.5