What are some verbal cues that indicate a ratio relationship

If you are just building your payment history, how many points from a perfect score will you possibly miss?

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

Need same math paper but the back now i hope your able to read it cleary i need with hw