In considering career options, Ella would like to enter an industry with at least 50% growth from 2000 to 2010. Based on the above graph, which of the following industries is not in that category? a. Health services b. Computer and data processing c. Residential care d. Management and public relations

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.