Orange peel + trump = orange old Noob True Or False?

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*