Find the circumference of a circle whose area is 452.16 square meters. (use 3.1416 as the value of .)
a. 12 meters
b. 37.6992 meters
c. 24 meters
d. 75.3984 meters

9. what is the volume of a cube shaped box with edges 6 cm. in length?
a. 216 cu. cm.
b. 1,296 cu. cm.
c. 36 cu. cm.
d. 18 cu. cm.

Asubject in a clinical research trial experiences a serious, unanticipated adverse drug experience. how should the investigator proceed, with respect to the irb, after the discovery of the adverse event occurrence? a. do not report the adverse drug experience to the irb since it is a common adverse experience.b. report the adverse drug experience to the irb only if there are several other occurrences.c. report the adverse drug experience as part of the continuing review report.d. report the adverse drug experience in a timely manner, in keeping with the irb's policies and procedures, using the forms or the mechanism provided by the irb.

An athlete is holding 24 lb of weights at a height of 6 inches above the stack as shown. to lower the weights, she applies a constant force of 5 lb to the handle. determine the velocity of the weights immediately before they hit the stack.

Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius