The amount of money (y) that Juan has for any given week (x) can be modeled by the equation y=-7% + 80. A Less than 3 weeks B Between 11 and 12 weeks. с Between 7 and 8 weeks. Between 14 and 15 weeks.

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.

Abag contains 10 white golf balls and 6 striped golf balls. a golfer wants to add 112 golf balls to the bag. he wants the ratio of white to striped gold balls to remain the same. how many of each should he add?

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?