Shelly and terrence completed a different number of tasks in a game. shelly earned 90 points on each task. terrence's total points were 20 less than shelly's total. the expression below shows terrence's total points in the game: 90x − 20 what does the factor x of the first term of the expression represent?

Points j and k plotted on the coordinate grid are two vertices of rectangle jklm rectangle jklm has an area of 7 square units point j is located at 2,1 and point k is located at -5,1 each vertex of the rectangle is located at a point that has integer coordinates. what is the perimeter of rectangle jklm? (need answer asap)