Ava has a discount card that reduces the price of her grocery bill in a certain grocery store by 15%. If c represents the cost of Ava's groceries, which expression represents Ava's grocery bill.

Select the correct answer from each drop down menu

According to the number line, what is the distance between points a and b? v ++ + + + + -16 -14 -12 -10 -8 + 6 + 4 + -2 + 0 + 2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 o6 units o 7 units 12 units o 14 units

Math it's appreciated. (picture provided)