A married couple filing their federal income tax return jointly had a taxable income of 62100.

Explain how you might determine the rate of weathering on a sample rock

The y-value if a data point corresponding to x1

17 a tourist was planning a trip by car for travelling at some constant speed for 2.5 hours. however, he found that if he increases the speed by 20 km/h he can cover the same distance in 30 minutes less time than it was planned. what was the planned speed of the tourist, in km/h?