Two beakers plus their contents have a mass of 180.4 grams. the total mass of the contents is 56.8 grams. write and solve an equation to the mass of one beaker.

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?

Write as a product: ac^2–ad+c^3–cd–bc^2+bd

*segment an is an altitude of right ? abc with a right angle at a. if ab = 2root 5 in and nc = 1 in, find bn, an, ac.