Describe what would happen if you change the number of balls on the display, how would that change the number of balls on 6 display

Which table shows a proportional relationship between miles traveled and gas used?

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics

Which number completes the inequality? 2/3 < _ < 7/9