Answer:

Step-by-step explanation:

Find the derivative of the fraction

Convert the decimal number to a fraction

The derivative of a constant is always 0

The answer is A............
What really helps is looking at it like a positive and negative number line. Adding a negative is the same as subtracting a positive, and visa versa. The quotient is 5.8
4 is 20% of 20. Hope this helps!
Answer:
2/5 = 0.4
Step-by-step explanation: