Solve x+2y=-2 by adding or subtracting

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

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

According to the data set, where should the upper quartile line of the box plot be placed?