1. How long will it take 426 grams of an element to decay to 51 grams if the half life is 87 days? Round to the nearest hundredth. Show all work. im bo. red. and stressed. anyone?

Christine went shopping and bought each of her six six nephews a? gift, either a video costing? $14.95 or a cd costing? $16.88. she spent ? $ 97.42 97.42 on the gifts. how many videos and how many cds did she? buy?

Rewrite the equation x = 65 - 60p by factoring the side that contains the variable p.

Bag a contains 3 white marveled and 2 marbles bag b contains 6 white marbles and 3 red marbles a person draws one marbles from each bag find the probability that both marbles are white