Apair of dice rolled. what is the probability that a 3 shows up on the first one and an even number shows up on the second one?

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

X+ y = 5 ; x - y =3 solve using linear combination

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.