One costodian cleans a suite of offices in 5 hours. when a second worked is asked to join the regular custodian, the job takes only 3 (1/3) hours how long does it take the second worker to do the same job alone?

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

The coordinates r(1, -3), s(3, -1) t(5, -7) form what type of polygon? a right triangle an acute triangle an equilateral triangle an obtuse triangle

Keith runs 5 miles in 38 minutes. at the same rate, how many miles would he run in 57 minutes