A stream begins at an elevation of 2000 meters and ends in a lake at an elevation of 400 meters. The lake is 320 kilometers from the stream source. What is the average gradient of the stream?

For the equations below which statement is true ?

Nick and nora are married and have three children in college. they have an adjusted gross income of 47,400. if their standard deduction is 12,600 itemized deductions are 14,200 and they get an exemption of 4000 for each adult and each dependent what is their taxable income

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