A researcher was interested in the effectiveness of a given learning program geared toward high school juniors. 100 high school juniors from five different schools were used
for the study. What is the sample?
5 different high
school
high school juniors
100 juniors selected
from five different
schools
high school
students

Factor this polynomial completely x^2-64

X-intercept=-5 y-intercept=2 the equation of the line is

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.