Paul rode his horse 3 miles due east from his barn. Then he rode 5 miles due north. How far was he from his barn, assuming the ground is flat? Round to the nearest tenth.

5500 dollars is placed in an account with an annual interest rate of 6.5%. to the nearest tenth of a year, how long will it take for the account value to reach 19700 dollars?

Which graph represents an even function?

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?