Pls help. Jack cut out a paper circle with a radius of 8 inches. Bruce cut out a circle with a radius of 6 inches. What is the difference between the circumferences of the two circles? Pls help I’m begging u have a good day pls help

A.25.1
B.6.28
C.50.3
D.12.56

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.