Melanie sold half of her comic books and then bought 7 more. she now has 18. how many did she begin with?

Question 10jur's car can travel 340 miles on 12 gallons. jack's car can travel 390 miles on16 gallons. which person has the best mileage (miles per gallon) and what istheir mileage?

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?