Radium 226, which had been used for cancer treatment, decays with half-life of 1622 years. suppose there is 2.3gram sample of raduim 226. how long will it take to have 1.7 grams remaining?

Gabriel paints flower pots to sell at a craft fair. she paints 2/5 of a flower pot teal, 1/4 of it yellow, and the rest of it white. what fraction of the pot is painted either teal or yellow?

What expression is equivalent to 1/2(2+3x-6)

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane