1. Find the next four terms in the following arithmetic sequence: -3, -6, -9, -12,

Find the total area for the regular pyramid ( follow the answer set up in the picture)

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.

Through non-collinear points there is exactly one plane.