What else would need to be congruent to show that abc def by sas

What are the solutions to the equation 4x2+3x=24-x

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

Factor and solve to find roots x squared -x - 90 =0