i have a few with ratios:are the ratios 3:2 and 18:8 equivalent? show work/explain whyare the ratios 4:3 and 8:6 equivalent? show work/explain whyare the ratios 6:9 and 2:3 equivalent? show work/explain why

Which of the following tasks is an audio technician most likely to perform while working on a nature documentary? (select all that apply). eliminating potentially distracting background noise adding sound effects making sure the lighting is adequate for a particular scene changing the narration to better match the mood of the documentary