Segment ab is dilated from the origin to create segment a'b' at a' (0, 4) and b' (4, 6). what scale factor was segment ab dilated by? (the original points are at a (0,2) and b (2,3)

The sum of two numbers is 12 and their difference is 18 what are the two numbers

Could someone me with this question i’ve been stuck on it for 20 minutes

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