Bowling Scores
40 64 66 67 67 68 69 70 71 72 78
Part A
What is the range of this data set?


Part B
What is the interquartile range of this data set?


Part C
Which measure, the range or the interquartile range, is a better measure of the spread of this data set? Why

Polynomial that can be factored as (3x-4)(3x+4)

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

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.