Answer:
58%
Step-by-step explanation:
Let's say you started with 100 dollars. Then, the next year, since it decreased by 30%, you would now have 100 - 30 = 70 dollars. Then, you decrease by 40%, so now it is 70 - 28 = 42 dollars. So, the total percent decrease is 100-42 = 58 percent.
16.81
That's basically just 4.1×4.1
Answer: 7
A triangle equals 180 degrees, so we already have the other which total to 152. So we just have to 180‐152, and the answer is 28.