2x2 + 4x — 7 = x2 – 2x

What is the volume of this square pyramid?

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?

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left