What is the slope of this line

Can (2,3 and square root 10) be sides ona right triangle?

Angles 1 and 2 are complimentary angles. angle 1 = 52 degrees. what is the measure of angle 2?

Abilliard ball is struck by a cue. it travels 1 0 0 cm 100cm before ricocheting off a rail and traveling another 1 2 0 cm 120cm into a corner pocket. the angle between the path as the ball approaches the rail and the path after it strikes the rail is 4 5 ∘ 45 ∘ . how far is the corner pocket from where the cue initially struck the ball? do not round during your calculations. round your final answer to the nearest centimeter.