A) 2/9(9/2(-1_1/5))(-2) = 2/9(9/2(-6/5))(-2)
= 2/9(-27/5)(-2)
= (-54/45)*(-2)
= 108/45
= 2.4

B) (3_1/32_1/4)((-1/2)4/5) = (10/3 9/4)(-2/10)
= (30/12)(-1/5)
= -30/60
= -1/2