Suppose a railroad rail is 3 kilometers and it expands on a hot day by 11 centimeters in length. approximately how many meters would the center of the rail rise above the ground?

Mexico city, mexico, is the world's second largest metropolis and is also one of its fastest-growing cities with a projected growth rate of 3.2% per year. its population in 1991 was 20,899,000 people. use the formula p = 20.899e0.032t to predict its population p in millions with t equal to the number of years after 1991. what is the predicted population to the nearest thousand of mexico city for the year 2010?

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"