the gre test

Estimation Sequence Practice Questions 1. Describe the following sequence in mathematical terms. 144, 72, 36, 18, 9 A. Descending arithmetic sequence
B. Ascending arithmetic sequence
C. Descending geometric sequence
D. Ascending geometric sequence
E. Miscellaneous sequence 2. Which of the following is not a whole number followed by its square? A. 1, 1
B. 6, 36
C. 8, 64
D. 10, 100
E. 11,