9 . TI Calculator Graded Problem Set Like many college students, Lisa applied for and got a credit card that has an annual percentage rate (APR) of 15%. The first thing she did was buy a new DVD player for $350. At the end of the month, her credit card statement said she only needed to make a minimum monthly payment of $10. Assume Lisa makes her payment when she sees her statement at the end of each month. If Lisa doesn't charge anything else and only makes the minimum monthly payments, approximately how many months would it take her to completely pay off the DVD player

Aresearch study is studying the effects of a new drug for osteoporosis alzheimer's disease (ad) for women above the age of 65 years. a group of individuals with osteoporosis is randomized into two groups. one group is treated conventionally, and the second group is treated with the new medication. assessments are made at 3, 6, 12, 36, and 48 months. the conventionally treated group is assessed for ad using a serum blood test, and the treatment group is assessed for ad using a pet radiotracer that binds to beta-amyloid plaques. in comparing these 2 trial arms, the authors of the study may encounter which type of bias? a. selection bias on the risk of developing b. measurement bias c. confounding bias d. recall bias e. lead-time bias