How do we know 45 is the "original" amount in this problem? 45 miles was the "oldest" mileage between the two. It happened last week, which is older than this week. 45 came first in the problem, so it must be the original.​

Figure abcd is a parallelogram. if point c lies on the line x = 2, what is the y-value of point c?

Two lines parallel to a third line are parallel to each other. always sometimes or never

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