Regenerate is the lowest price per ounce choice a 6 ounces of raisins for $2.98 choice B 13 ounces of raisins for $7.18

To find the lowest price per ounce, we can divide the total cost by the total number of ounces.

For choice A, the price per ounce is $2.98 / 6 ounces = $0.4967 per ounce.

For choice B, the price per ounce is $7.18 / 13 ounces = $0.5523 per ounce.

Therefore, choice A with 6 ounces of raisins for $2.98 has the lowest price per ounce.