Which of the following sequences is not arithmetic?

1, 2, 3, 4,

2, 4, 6, 8,

0, -2, -4, -6,

1, 4, 9, 16,

x/3-10=8

x/3=18

x=48

c.)

step-by-step explanation:

answer:   expression= p+p*d%

price reduction + sale price = $625

sale price: $p+$p*d%

where d% is the percentage of discount

step-by-step explanation:

original price = p

price went down by $150 price reduction $p*d%

sale price= $ 475

therefore the price before sale is: $625

and the expression that shows the price before sale is: p+p*d%

where is the option given