Can sum on help me plzz

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)

Segment wx is shown explain how you would construct a perpendicular bisector of wx using a compass and a straightedge