B)Most Americans believed wholeheartedly that Hoover was responsible for starting the Great Depression
1 is F, 2 is A, 3 is A, 4 is F

The formula is above, so if you plug it in it should be 34 squared times 27.
24 squared is 1156. Multiply 1156 by 27 and you have 31212. If you have to solve it with 3.14, just multiply that by 3.14 (Would take too long for me).
The answer is A, Americo Vespucci