[Number Theory, 3 Points] It is given that, for the three-digit numbers (abb) and (baa), and the two-digit number (aa),
(abb) + (aa) + 1 = (baa).
What is a + b?

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

Roger could feed 5 walruses with 4 kilograms of fish. how many walruses could he feed with 7.2 kilograms of fish?

Multiply and simplify. 2x2y3z2 · 4xy4x2 how to do?