Joamsantosid Joamsantosid Math Answered B. Perform the indicated operation. 16. (-31) + (-13) = _______ 17. -48 ÷ (-6) = _________ 18. -42 + 19 = _________ 19. -9 x -8 = __________ 20. 8 x (-3) = _________ 21. -20 + (-4) = ________ 22. - 4 – (8) = ________ 23. 33 - (-6) = _______ 24. 3 + (-7) =________ 25. 8 + (-7) = ________