Answer:
percentage decrease by 56% or negative 56%
Step-by-step explanation:
https://canvas.apps.chrome/
Answer:
270
Step-by-step explanation:
The formula for finding the area of a triangle is <em>base · height ÷ 2, </em>or 
After plugging in the numbers given to the formula, we find that the area of the triangle is 27.
Then to account for the length, we multiply the area of the triangle by 10.
This gets us to 270.
Answer:
∠9 and ∠12
Step-by-step explanation:
Supplementary angles are two angles that add up to 180. Looking at all the answer choices, A, C, and D have either Big-Big angle or Small-Small angle. What we need is Big-Small angle that is next to eachother, which is ∠9 and ∠12.
Hope this helped.
(Also sorry!)
2/5 of a number is 40% of that number