Step-by-step explanation:

now,
a = 4, b = -5, c = -5
3/25
4/38=2/19
54/7=7 5/7
48/9=16/3=5 1/3
The answer in 3 tenths and 1 hundredths is 0.31
If you mean $11 & 791 cents, then it would be $18 & 91 cents
Answer:
because they need to measure the dosages for the patients.
And because they need to know how to accurately measure the patients height, and weight so they know what dosage to give them.
Step-by-step explanation:
plz mark brainliest