Acarpenter is building a staircase from the first floor to the second floor of a house. the distance between floors is 3.3m. each step rises 22cm. not counting either floor itself, how many steps will there be?

What is the sum of these mixed numbers 2 1/8 + 4 3/8

If you answer right ill give brainliest, : )

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?