explain why multiplication byiresults in a rotation. what is the angle of the rota-tion? sketch some pointszand the productizto see graphically what is happening.

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

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be

Val and tony get paid per project. val is paid a project fee of $44 plus $12 per hour. tony is paid a project fee of $35 plus $15 per hour. write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.