Answer:
12x
Step-by-step explanation:
The predicted time remaining has decreased by 30 years, so the second one would be the answer
Answer:
B. 14 hope this helps
Step-by-step explanation:
D would be the highest value
Use substitution.
anywhere you see "a" , than you would plug in b + 2 in for it so....
(b - (b + 2)^4
now take the negative sign and distribute it "+"
so b - b is 0, than 0 - (-2) is -2.
so what is (-2)^4 ????? it would become positive 16