A side of a triangle was reduced by a scale factor of 2/3. if the new side is

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 for x and y: 217x + 131y = 913; 131x + 217y = 827

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.