Find an equation in slope-intercept form of the line that has slope –2 and passes through point a (1,9)

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2

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

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?