Step-by-step explanation:

Angle C must = [180 - 73 - 57 ] = [180 - 130] = 50°
And using rhw Law if Sines, we have.....
AB/sin C = AC/sin B → 24/sin(50) = AC/sin(73) → AC = 24*sin(73)/sin(50) = about 29.96 in
The answer would be 48...
Y-y1=m(x-x1) she kdhkshs jshdkhd
KE=0.5xmxv2
=0.5x 1.2x10^3x (3.4x10^3)^2=6936000000