In a kitchen there are three containers that can hold different quantities of water, as shown in the figure below: ~qnwzdwfhv484g1gma. bgut6ba2j8xtjpqfj5dazd/70815624,391 ,0,0,1e/assets/copied/bbba17e556214 5d5bd53cf903d4cb4d5/10_20_167.jpg how many liters of water can the three containers hold in all? a. 3x b. x + 3 c. 3x + 1 d. x2 + x − 1

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.