Answer:
400
Step-by-step explanation:
The answer is 400 because 8 times 50 is 400
A≈113.1
A=1
4πd2=1
4·π·122≈113.09734
52 cm²
First, we find the area of the bottom rectangle. We see it's 4 high and 10 wide, so 4x10 is 40. Then, we see that the small figure in the top right has a height of 4 and width of 3, so 4x3 = 12, add those and you get 52.
y-4=3(x+3)
y-4=3x+9
y-4+4=3x+9+4
y=3x+13