What is the circumference of a circle whose radius is 20 feet? leave answer in terms of π.
a.10π feet
b.20π feet
c.40π feet
d.100π feet?

C) 40π feet

Step-by-step explanation:

The formula for circumference is C = πd. Since the radius is 20 feet, the diameter is 40 feet, and the circumference is 40π feet.

Formulas for marine are 28 gallons per teaspoon.  30gal (28t/1gal) the gallons cancel leaving teaspoons = 840 teaspoons there are 8floz = 1cup 1floz = 2 tablespoons 3t = 1 tablespoons it's 31.11111111111111. so if you round to the nearest cup it would be 31. idk if this but i'm sure it will.