Need help Triangle ABC is a right triangle with sides that
measure 3, 4, and 5 units. If point A is located
at (1,2) and point B is located at (1,-1), give the
coordinates for point C.

1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?

What is the geometric mean of 3 and 7? a) square root of 21 b) 2 square root of 6 c) 2 square root of 7 d) 21