Answer:
129.5 seconds.
Step-by-step explanation:
C = 3.14 (450)
= 1413
1413 (.40) = 565.2
562.5 + 300 + 300
= 1165.2
1165.2 / 9
= 129.5 seconds.
Feel free to let me know if you need more help! :)
idk cuh
4x^2 + 4x -2
Use FOIL to solve (x+2) (x+2)
4(x^2 + 4x +4) - 6
18x
Simple as that. 18 times however many times she cuts the grass
24
area = wl (6×4 = 24)
w width l length