Answer:
3 for x not equal to zero
6.4 because you have to divide butt first you have to turn 80% to a decimal which is 0.80 then you multiply it by 8 which is 6.4
Price decrease = 14.3% of $52,000 = 0.143*$52,000 = $7,436
Price of next model = $52,000-$7,436 = $44,564
28 because a constant is a number that doesn't have x attached to it.hope this helps