R + 65
r - 65
65 - r
r

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z

Suppose the equation ||x-a|-b|=2008 has 3 distinct real roots and a not =0. find the value of b.