Can someone asap? (16 pts) you want put up a fence that encloses a triangular region with an area greater than or equal to 60 ft? what is the least possible value of c? (the triangle is 2-d, has the base of 12 ft and the height of c)

Can someone answer this question? : )

How does reflecting or rotating a figure change the interior angles of the figure?

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g