Evaluate the following expressions and write your answers as fractions:

1. What is the value of (4^(2))/(-3)?
a) -16/3
b) -8/3
c) 16/3
d) 8/3

2. What is the value of -((5)/(2))^(3)?
a) -125/8
b) -25/8
c) 125/8
d) 25/8