4. 28.5 squared centimeter
5. height=18 ft
7. The triangle will be bigger. Since this scale factor is 4, then that means that the 2-D plane will be bigger.
8. The perimeter will get bigger.
The answer to the question is Robert grew 1 2/3 inch taller that his brother
Answer: A. –1.2%
Step-by-step explanation:
Since, the initial sum of the stocks = $ 10,335.24
While, the final sum of the stocks at the end of the day = $ 10,215.78
Thus, the percentage change in the sum of stocks
= 
= 
= 
= 
= 
⇒ Option A is correct.