Você compra 1 caixa de ração para cachorro e 2 latas de ração para gato por $ 19. Seu amigo compra 2 caixas de ração para cachorro e 1 lata de ração para gato por $ 17. Cada caixa de ração custa

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.

What is the y-intercept of the line given by the equation

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?