Which diagram represents the postulate that states exactly one line exists between any two points? Point B is on a horizontal line. Point A is above the line.

A diagonal line is shown. Points A and B are not on the line.

Points A and B are on a diagonal line.

Points A and B are shown.

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.

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?