Mike is installing a fenced.. place to play in his backyard for his twin girls in his backyard for his twin girls. addy and brook. mike buys twenty-four one-meter sections of fence. what are all the possible rectangular fences that mike can build using whole meters of fencing on each side of the rectangular place to play? what rectangular fenced play gives addy and brooke the largest area in wich to play?

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