What is the expression (a^2+b^2)^2 is equivalent to

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

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?

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom