Xavier earned $300 for working 40 hours. Crystal earned $200 for working 25 hours. Who earned more per hour and how much more per hour did they earn?

Describe the domain and range of y=2(3)^x-2+5

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a

One astronomical unit (1 au) is about 1.496 alt tag missing. kilometers. if you wrote this number of kilometers in regular decimal notation (for example, 528 and 3,459 are written in regular decimal notation), how many zeros would your number have?