Which property was used to simplify the expression? 3c49440-30-40-9
O distributive property
O commutative property
O associative property
O inverse property
PLEASE ANSWER THIS I NEED HELP

At a point on the ground 50 meters from the foot of a tree, the angle of elevation to the tree is 48°. find the height of the tree to the nearest meter.

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)