Which of the following is an arithmetic sequence? a. 3, 5, 8, 13, 21 b. 6, 13, 19, 32, 51 c. 1, 4, 5, 9, 14 d. 3, 6, 9, 12, 15

What is the 12th term of b(n)=-4-2(n-1)

George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain

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