Fill in the blank with the number you would add to both sides in order to solve this equation by completing the square:
x² - 4x +
=
2 +

10 ! in a race, nick is 50 feet in front of jay after ten seconds. how fast can nick run, if jay can run 20 feet per second?

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

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