Please please give me the answer please have an exam for math

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

What term best describes a line and a point that lie in the same plane? a. congruent b. coplanar c. collinear d. equal

Describe the relationship between the angles of similar triangles and the sides of similar triangles