<span>1. restoration of a ore natural water flow 2. recovery of native and endangered species 3. removal of invasive exotic species that are causing problems to the ecosystems and to people 4. restoration to water quality</span>
The lines that tell you the legs are the same length let you know that angle a and angle acb are the same. so 180 -30 is 150 divided by 2 is 75 so c is 75. then take 180 -75 and you get x.
