4 a 2 1 July 8, 2019 16 32 64 128 4 a 2 )= 12 4 a 2 )= 16 4 a 2 10 4 a 1 )= 2 answer A 4 2 13 4 a 1 2 9 4 a 11 2 A 4 a 2 1 0 A 4 1 2 3 4 2 1 method 4 2 1 rule 4 2 1 method workout 4 2 1 workout 4 2 1 rule fluids 4 2 1 3 formation
