In the given relation, what domain value corresponds to the range value -2? {(-1,2), (-2,4), (2,5), (0,-2), (2,0)}

Will mark brainliest question in the pic.

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°