Answer:
1 m = 3.28 ft
1 m^2 = 10.76 ft^2
1560 ft^2 / 10.76 ft^2 / m^2 = 145 m^2
Leaning against a brick wall.
All the others use scientific forces of work.
-Steel jelly.
Answer: 40.4M/s
Solution: 46.6/1.15 = 40.4347826 then round it to a single decimal point, since 3 is lower than 5 it will be rounded to 40.4
His knees are flat in front of him or 180 degrees, i hope that answered your question