What is the circumference of this circle? use π ≈ 3.14. round your answer to the nearest tenth of a centimeter.

a.
40.8 cm

b.
132.7 cm

c.
81.6 cm

d.
20.4 cm

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?

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16