Karissa begins to solve the equation (x – 14) + 11 = x – (x – 4). her work is correct and is shown below. (x – 14) + 11 = x – (x – 4) x – 7 + 11 = x – x + 4 x + 4 = –x + 4 when she subtracts 4 from both sides, x = –x results. what is the value of x ?

Agiven line has the equation 2x + 12y = −1. what is the equation, in slope-intercept form, of the line that is perpendicular to the given line and passes through the point (0, 9)? y = ( )x + 9

Find the area of a parallelogram with the given vertices. p(-2, -5), q(9, -5), r(1, 5), s(12, 5)

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.