Please help!!!

What is 8% written as a decimal?
A. 0.008
B. 0.08
C. 0.8
D. 80

What is 48% of 180?
A. 8.64
B. 26.64
C. 86.4
D. 266.4

80 is 125% of what number?
A. 16
B. 64
C. 100
D. 164