A rectangle is graphed on the coordinate grid. Which equation represents a side that is perpendicular to side d?

A) y = 2 x + 5
B) y = -2 x + 5
C) y = 1/2 x - 5/2
D) y = -1/2 x -7/2

Find the slope of the line y =8/9x + 1.

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

Is the figure congruent? yes or no?