Cesium-137 has half- life of 30 years. Find the amount of cesium-137 left from a 200- milligram sample after 150 years.

Me. drysdale earned 906.25 in interest in one year on money that he had deposited in his local bank if the bank paid an interest rate of 6.25% how much money did mr. drysdale deposit

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.