Use the chain rule to find ∂z∂s and ∂z∂t, where z=x2+xy+y2,x=10s+7t, y=10s+3t

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 the following as a base and exponent

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?