A cartographer is making a map of several cities in her county. On a coordinate grid that is labeled in miles, two cities are located at (−25,−84) -25,-84 and (−73,−84) -73,-84 . How far apart are these two cities?

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Math i have no idea how to do a and b