Answer:
see below
Step-by-step explanation:
Scientific notation is a * 10 ^b
a must be a number between 1 ( including 1 ) and less than 10
12 is greater than 10 so it is not scientific notation
The answer is A,(b + 3)(b - 2)
15. 5 times 3 is 15.
If you check, 15 divided by 3 is 5(red cars).
the base of the ladder is 18ft away from the wall
