Get reliable answers to your questions at Westonci.ca, where our knowledgeable community is always ready to help. Get precise and detailed answers to your questions from a knowledgeable community of experts on our Q&A platform. Join our Q&A platform to connect with experts dedicated to providing accurate answers to your questions in various fields.

A scientist uses a submarine to study ocean life.
She begins at sea level, which is an elevation of 0 feet.
She descends 44.7 feet.
She then travels directly up 20.7 feet.
Next, she travels down a second time, 44.5 feet.

How many feet must she now ascend to get back to sea level?