The histogram gives information about the heights, in metres, of trees in a park. The histogram is incomplete. 15% of the trees in the park have a height between 2.5m and 5m. None of the trees in the park have a height greater than 20m. Work out the total number of trees in the park

Sorry guys but as you have a small brain

Adam plans to choose a video game from the section of the store where everything is 75% off. he writes the expression d-0.75d to find the sale price of the game if the original price is d dollars. gena correctly writes another expression, 0.25d, that will also find the sale price of the game if the original price is d dollars. use the drop down menus to explain each part of adams and rena's expression

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?