Which property was applied to create this equivalent expression?

7 x + (5 + 6 x) right-arrow (7 x + 5) + 6 x
A. the commutative property only
B. the associative property only
C. the distributive property only
D. both the commutative property and the associative property

Adifferent website gives the cost for the first train as £56.88 and the second train as £20.11 with a £9.50 charge for cycle storage for the whole trip. how much would the journey cost you?

What is the value of x? enter your answer in the box. photo attached.

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.