10 dictionare si 2 truse de stiinte costa 550 lei 10 dictionare si 5 truse de stiinte costa 1150 lei cat costa un dictionar ? cat costa o trusa de atiinte

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 problem! extra ! 3025/5.5 = a/90.75 / = fraction

Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is