The square and the rectangle have the same area. All lengths are in centimetres. Show that 36x2 + ax + b = 0 where a and b are constants to be found.

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

How do i take any fraction and make it into a decimal or percentage?

Pleas ! i just cant seem to get it right! choose: congruent or proportional choose: cf or ce or bc choose: segment addition postulate or cpctc