Answer:

Step-by-step explanation:
slope = 
=
= 
simplify:

Answer:
Screen shot the question and attach it and i will do it cus you making no sense
Step-by-step explanation:
Answer:
0.5 mL
Step-by-step explanation:
If the device wasn't properly calibrated, in volume the number can be estimated with a 3 rule:
100%------4mL
12%-------x=12*4/100=0.48≈0.5mL rounding to the nearest tenth