Write an equation to represent the situation: Mrs. Green ordered a club sandwich at McAlister’s which cost her $8. She decided to stay and read books there the whole afternoon while drinking several cups of sweet tea. (NO FREE REFILLS THAT DAY ☹) If she spent a total of $24 how many drinks did Mrs. Green order?

In which figure is de bc ? a. figure 1 b. figure 2 c. figure 3 d. figure 4

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.

What is the area of the shaded sector?