Which statements about the composite figure are true? check all that apply. the composite figure consists of two rectangular pyramids.  the composite figure can be broken down into rectangular prisms. the volume of the composite figure is 1.5(9)(5) + 1.5(9)(5). the total volume is 45  units3. the total volume is 90  units3.

Typically a point in a three dimensional cartesian coordinate system is represented by which of the following answers in the picture !

Two cities a and b are 1400km apart and lie on the same n-s line. the latitude of city a is 23 degrees. what is the latitude of city b. the radius of the earth is approximately 6400km.

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