What formula is used to find the circumference of a circle?

isn't it C = 2πr?

A jar contains three marbles; 1 yellow (y), 1 orange (o), and 1 red (r). Which list shows all the possible outcomes for choosing two marbles at random from the jar if the first marble is replaced after it is drawn?

If f (x) = 8x+7 and g (x) = x+2 what is (f*g) (2)

If 20 is 20% of 20% of an integer what is that integer?

Jar contains 51 coins which are either quarters or nickels. total value of jar is 5.15. how many of each type of coin do they have.

250 mL equals how many Liters?

I'm gonna buy a shirt on sale that was 20% less than it's original price. The original price was five dollars more than the sale price what was the original price?

Use the distributive property to simplify 2 - (-3a+4)

The temperature outside dropped 13°F in 7 hours. The final temperature was - 2°F. What was the starting temper

What is 16/6 as a mixed number

Jessica has to make a trip of 8925 MI. if she travels 425 miles a day how long will the trip take?