Add −4.85+(−2.54).

A. 2.31

B. -6.39

C. -2.31

D. -7.39

The sum of -4.85 and -2.54 is -7.39 (D).

To add -4.85 and -2.54, simply add the two numbers together:

-4.85 + (-2.54) = -7.39

Therefore, the correct answer is D. -7.39.