Triangular numbers can be represented with equulateral triangles formed by dots. The first five triangular numbers are 1, 3, 6, 10, and 15. Is there a direction variation between a trianular number and its position in the sequence? Explain your reasoning.

Which choice represents the sample space ,s for this event

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?

Hich polynomial correctly combines the like terms and expresses the given polynomial in standard form? 8mn5 – 2m6 + 5m2n4 – m3n3 + n6 – 4m6 + 9m2n4 – mn5 – 4m3n3