There were 6 pizza pies at the summer barbeque at abby's house. she shares the pizza with her 7 friends. if all 8 people get the same amount of pizza, what 1. portion of pizza can each person have? use pictures, diagrams, or math operations to show your work.

Anyone know? is appreciated! will mark brainliest if correct!

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 slope of the line that passes through the points (–9, 2) and (0, 4)? the slope of the line is