How many different combinations of 6 letters can be formed if the first letter must be W or K? Use the Fundamental Counting Principle with three or more groups of items.

Shannon drove for 540 minutes. if she traveled 65 miles per hour,how many total miles did she travel?

Brittany has designed four different birdcages, each with the same volume: a square pyramid, a cylinder, a cone, and a sphere. the zoo wants to use one of brittany’s designs but plans to change the volume of the cage. find the design change that would result in the birdcage with the greatest volume. a.) increase the area of the base of the square pyramid by a factor of ten. b.) increase the height of the cylinder by a factor of ten. c.) increase the radius of the cone by a factor of ten. d.) increase the radius of a sphere by a factor of ten.

Explain how you can show five less than a number using algebraic expression