Find a formula for the nth term of the arithmetic sequence a1=-17 a2=-12 a3=-7 a4=-2

The surface area (sa) of a cube with a as the length of each of its sides is given by the formula . if the surface area is known, how can you rewrite the formula to find its side?

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

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