Whats the number name for 43,080,700

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?

The graph represents f(x)=[x]+3. what is f(-2.2)?