HELP PLEASE!!! Drag each graph to show if the system of linear equations it represents will have no solutions, one solution, or infinitely many solutions.

Will give brainliest sum of arithmetic series (sigma notation) find the numerical answer to the summation given below. (image shown below)

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

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