Westonci.ca makes finding answers easy, with a community of experts ready to provide you with the information you seek. Connect with a community of professionals ready to provide precise solutions to your questions quickly and accurately. Join our Q&A platform to connect with experts dedicated to providing accurate answers to your questions in various fields.

)a field microphone used at a soccer game has a parabolic cross section and is 20 in. wide at the opening. thefocus is 9 in. from the vertex. find the depth of the microphone.