Discover Questions

Is Mosaic Black like Charcoal Grey? Why would aliens travel billions of light years in their ufos to explore earth there is nothing here worth seeing? Can someone help me with this question?i am not sure how to solve. Find the volume of the parallelepiped determined by j + k, i + j + k? What nocturnal insect maks a low but high pitched call ascending in frequency? Use Appendix Table for Normal Distribution to find area under Standard Normal Distribution curve to the right of z = -1.25?