What is (6 + 3e)4 - 5e and 3(x - 5) + 7(x + 2) ?

Sara can take no more than 22 pounds of luggage on a trip.her suitcase weighs 112 ounces.how many more pounds can she pack without going over the limit?

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

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?