a researched wishes to examine the effects of a new medical treatment on patients with alzheimer’s disease. the researcher plans to examine the effects on a group of randomly selected subjects. what is wrong with this design? select all that apply a. only one researchers is used b. subjects are not randomly assigned to an experimental group and control group c. a control group wasn’t used d. an entire population wasn’t used

Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.

The formula for the lateral area of a right cone is la = rs, where r is the radius of the base and s is the slant height of the cone.which are equivalent equations?

What dimensions can créate more than one triangle ?