garci671 garci671 19-10-2022 Mathematics contestada Help please! :) Directions: Answer each question below, showing all pertinent work. 1. Estimate. A. –42.3 ÷ 3.4 B. 16.1 – (–14.7) C. –15.52 + 54.25 D. ‐67.8 ‐ 5.72