Are these triangles similar? if so how? if not, explain.

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?

Find the area of the regular hexagon if a side is 20 cm.

What is the average diastolic blood pressure for adults