0.5 0.8
1 1.6
3 4.8
25 40
what is the proportionality

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.

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

Which of the following is the explicit rule for a geometric sequence defined a recursive formula of a -5a for which the first term is 23?