Question

help me please I don't wanna fail his ​

Answer 1

D I think I have not done that in a long time

Answer 2

answer; c
explanation;
if 3 | 3 = 3.3, then the line must mean that the | is a decimal point.
so for 1 | 88 , the line is the decimal point so it should be 1.88.
same explanation for the rest, 2 | 025 = 2.025, 3 | 0115 = 3.0115