Set up equations and solve. Machine Trades: Two metal castings weigh a total of 84 lb. One weighs
12 lb more than the other. How much does each one weigh?

Organisms that live in the alpine and taiga biomes have developed unique adaptations that aid in their survival. the douglas-fir is a conifer tree that grows in the taiga biome. it has an average height of about 70 feet, and its wood is an important source of lumber.

Apool measures 12.3 feet by 16.6 feet. if the longer wall of the pool has a diagonal of 17.8 feet, what is the volume of the pool? (round to nearest tenth)

Find the measure of the angle indicated in bold