James currently has $215 in a savings account. Every month, he deposits an additional $45 Into his account. James had to replace the wooden
fence around his house for a total of $4,100, and his zero-Interest payment plan requires $168 per month.
If James uses all of his budgeted savings to help pay off the fence, in addition to the monthly payment, what will be the remaining balance on the
fence after 12 months?
A.$2,084
B. $1,869
C. $1,544
D. $1,329
E. The balance will be completely paid off.

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