(04.01)the baldwin family walked 4/5 of a mile in 4/9 of an hour. what is their unit rate in miles per hour?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

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

What is fraction that is equivalent to 3/8