The volume of a sphere is 81π cubic centimeters. Which equation can be used to solve for the radius of the sphere?

A. 81π=4πr^2

B. 81π=4πr^3

C. 81π=4/3πr^3

D. 81π=4/3πr^2

Lottery question. There will be 6 numbers chosen out of a possible 50. I can figure the odds for picking none of the 6 numbers or all of the 6 numbers. What is the equation for determining the odds for picking 1, 2, 3, 4 or 5 of the 6 numbers?

What is greater 5,000 cm or 5 m

Jessica rented 1 video game and 5 movies for a total of $16.50. The video game cost $5.75 to rent.

How would we find the unit vector in the direction of v = i+j?

Factor. 2x2 + 4x + 18

At the end of one day, the value of a share of a certain stock was $12. Over the next three days, the change in the value of the share was $-1, then, $-1, and then $3. Write an expression that descrines the situation.

max travels 50 miles in one hour. At this rate, how long will it take him to reach a city that is 650 miles away?

Which property is demonstrated by the following statement? 15+w + (-12) = 15-12+w

9 m 7 m (23 m) What is the area

What are the factors of 34