Which monomial is a perfect cube?

49p9q3r24
81p12q15r12
121p9q3r6
343p6q21r6

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

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?

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?