Vector a has a magnitude of 8.00 units and makes an angle of 45.0° with the positive x-axis. vector b also has a magnitude of 8.00 units and is directed along the negative x-axis. (a) using graphical methods, find the vector sum a + b. (submit a file with a maximum size of 1 mb.)

Ineed this to be answered fast and you i would appreciate it1. what benefits are there to using an online filter app? 2. of the apps you researched, which would you choose to edit your own photos? why would you choose this app over the other ones? 3. if you could choose between using the camera accessory filters that connect to your camera or the photo editing app filters, which would you choose and why?