Simplify -3xy 3 + 7xy 3 + (-xy 3) + (-3xy 3).

For what values of b will f(x)= logbx be a decreasing function? (16 )

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?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much