Prove the following theorems: (a). prove that the real line with the standard topology is hausdorff. (b). prove that int(a n b) int(a) n int(b) (c). if x and y are topological spaces and f: x ? y is a homeomorphism. then if x is a hausdorff space then y is hausdorff.

If jaime wants to find 60% of 320, which table should he use?

1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'