Ago cart's top speed is 607,200 feet per hour. what is the speed in miles per hour?

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

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

52 cm radius = diameter = area = circumference = circumfer