A coach is ordering shirts for a team. • The coach pays a one-time fee of $24.

• The coach also pays $8 for each shirt ordered.

Which function can be used to find c , the total amount the coach pays in dollars when k shirts are ordered?

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.