Which expression is a sum of cubes? -24a^15+125b^18

-64a^27+b^8

27x^9+y^6

81x^24+8y^40

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

The graph shows the distance kerri drives on a trip. what is kerri's speed . a. 25 b.75 c.60 d.50

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2