Use the following scenario to answer the question below: (check all that
apply.)
you are deciding between two cars with different engines and want the bigger
of the two. one engine displaces 350 cubic inches. the other displaces 5,500
cubic centimeters. check all of the reasonable approaches to solving this
question
o
a. convert 350 cubic inches to cubic centimeters and compare to
5,500
o
b. convert 5,500 cubic centimeters to cubic inches and compare to
350
o
c. multiply 350 cubic inches by 2.54 cm to find the equivalent in
cubic centimeters
1 inch
o
d. choose 5,500 since it is larger than 350

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Me i'm timed right now! a. (0,-5)b. (0,-3)c. (0,3) d. (0,5)

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