The tax deadline, April 15, is just around the corner, and these people need to file their income tax returns. Albert and Monica have been married for six years and hold media jobs. They want to file their income tax returns together on a combined taxable income of $245,865. Darby is an engineer. Her taxable income is $82,750. Review these tax rate schedules to help these people decide which tax table to use. Also determine which tax bracket they fall into and the amount they owe in taxes. Write this information in the table below.
Albert and Monica Darby

Tax table

Tax bracket

Tax owed

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.