At this market,6 batteries cost 10.38 how much do 8 batteries cost

To find the cost of one, divide 10.38 by 6, so
10.38/6 = 1.73
1.73 = price per battery
To find the price of 8, multiply the cost of price per battery with however many items you need, in this case 8 so,
1.73 x 8 = 13.84

You need to include the original coordinates of the triangle to answer this. and how much does it translate (move left right up down)