1. Enter the inequality that makes this statement true: -9 -14 * 2. If it takes 2 gallons of gas to travel 40 miles, how many gallons of gas does it take to travel 200 miles?

If a || b and e || f , what if the value of y ?

What are the values of each variable in the diagram below?

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.