Can somebody solve question 11 for me?

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

An alternative to car buying is to make monthly payments for a period of time, and then return the vehicle to the dealer, or purchase it. this is called

Here is my question! jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?