The population of the world in 1987 was approximately 5 billion and the annual growth rate was estimated at 2 percent. If the world population followed an exponential growth model, find the projected world population in 2015. Round your answer to the nearest tenth of a billion. billion people

What is the average rate of change for this function for the interval from x=2 to x=4 ?

Which is a true statement comparing the graphs of x^2/6^2-y^2/8^2 = 1 and x^2/8^2-y^2/6^2 the foci of both graphs are the same points. the lengths of both transverse axes are the same. the directrices of = 1 are horizontal while the directrices of = 1 are vertical. the vertices of = 1 are on the y-axis while the vertices of = 1 are on the x-axis.

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?