Discover Questions

Can you please explain this questions and list the steps that you did to get to the answers - there are two questions. Thank you? Sputnik I, the first artificial satellite to circle the planet (October 1957) had a mean orbital radius of 6951 km. Compute its period.? The Pressure at the interface between earth's outer core and inner core is inferred to be?
a) 0.2 Mill
b) 1.5 mill
c) 3.1 mill
d) 3.6 mill? Describe the graph of y=4f(x)+12 as the result of applying a shift to the graph of f, then applying a stretch or compression.? Is twelve noon am or pm and what time is twelve noon?