The graph models the amount of radioactive element present over the cours of a 2 minute experiment. What is the avearge rate of change of the amount of the element over the 2 minute experiment?

a -12.5 g/min
b 2 g/min
c. 2.5 g/min
d. -3.75 g/min

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

Asphere has a diameter of 10 in. what is the volume of the sphere?

Lv beethoven software supplies customized software to a managed healthcare system. lv beethoven software's costs for the software is $1,723,000. lv beethoven software sells the software to the healthcare system for $3,816,981.10. overhead expenses are estimated at 47% of the selling price. what is lv beethoven software's net profit to the nearest dollar?